Overburden drilling catalogue

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1 Atlas Copco Ground Engineering Products Overburden catalogue Symmetrix overburden systems

2 Overburden Drilling Catalogue Atlas Copco Overburden Drilling System... 3 The Symmetrix System... 4 Drilling overburden... 4 Permanent or retrievable casings Pile types in foundation Common system requirements... 6 Large pass through inner diameter... 6 Systems with drill through pilot... 6 Heavy duty system... 7 Top hammer system... 7 Special systems designs... 8 Clay face design... 8 Sensitive conditions Symmetrix features... 9 Ballistic buttons for specific conditions How to select a Symmetrix system Overburden map of Symmetrix system Permanent / Top hammer Permanent / DTH Permanent / DTH / Heavy duty Permanent / DTH / Drill through Retrievable / Top hammer Retrievable / Top hammer / Drill through Retrievable / DTH Retrievable / DTH / Drill through Systems available on request Accessories Operating system with DTH Welding ring assembly instructions index

3 Atlas Copco Overburden Drilling Systems As much as 90% of the land surface of the earth is covered with loose, unconsolidated material such as soil, clay, silt, sand, gravel and boulders, which varies in depth from a few centimeters to hundreds of meters. Drilling through this so-called overburden is often problematic, due to the tendency of the earth to cave in behind the drill. This makes it difficult to retrieve the drill string after the hole has been drilled. n practice, the bore hole is often lost before a casing tube can be inserted to support it. The Symmetrix range of overburden systems represent the latest technology in simultaneous casing advancement. Drilled piles were first used in taly, when repairing and reinforcing foundations of buildings that had been damaged during World War. Drilling was originally done with rotary drill rigs and tools were pipes with cutting teeth at the lower end. Pipes were rotated and pushed into the ground while circulating bentonite-water slurry as a mud. Over the years the engineering has improved and new equipment and technologies developed. With the introduction of percussive methods, it became possible to penetrate all kinds of soil and rock. n the early 90s, the DTH method was used above all for well. Well drillers had continuous problems with drill s making work slow. When the drill hit a boulder it might cause deviation from direction. n addition the holes in overburden tend to collapse before reaching bedrock. Then a new casing system, namely Symmetrix, was invented in inland. Until the time the was done with asymmetric drill s, but the new invention was a symmetrical drill system, which advance a casing pipe simultaneously when the hole. 3

4 The Symmetrix system Symmetrix is a patented system comprised of an ingeniously simple concentric method of through overburden with casing. Symmetrix drills straight holes, in any type of ground conditions, at any angle and to depths beyond 100 meters. The three main components of the system are made up of: A pilot that drills away the center part of the hole and guides the drill string. The pilot is attached to any common DTH hammer shank or top hammer rod thread. A welded to the casing pipe which is pulled down by the impact of the hammer and pilot. A symmetrical ring that is locked onto the pilot drills the void for the casing to advance down the hole. There are three different types of ring and casing shoe assemblies; A solitary ring with no connection to the. Welding ring (optional) A that holds the ring and casing shoe together. A factory assembled with integrated ring and. a) Symmetrix system with a solitary ring snd an optional. Drilling in overburden Casings are installed into the overburden basically for two different reasons: 1. To create a conduit through the overburden for example; gas, oil, water and geothermal wells utility lines starter casings for exploration grouting casings 2. To create foundation and support structures such as; piles forepoling, pipe roofs ground stabilization anchors Depending on the use of the casing it is either left in the hole permanently or retrieved by pulling out. Symmetrix range includes systems for both permanent and retrievable casings. n case of the permanent casing the ring is sacrificed and left in the bottom of the hole, while retrievable casings all system components are retrieved for re-use. b) Symmetrix system with a ring set; an integrated ring and casing shoe. 4

5 Permanent or retrievable casings Pile types in foundation oundation piles are generally divided in two different types, end bearing piles and skin friction piles. End bearing piles A very important factor which determines the choice of foundation and its design is formed by the geotechnical properties of the ground nstalling end bearing piles 1. Casing 1 is installed until bedrock Drill string is pulled out from the hole. 3. Reinforcement element is installed and concrete poured into the hole. n many cases piles can be footed in a firm stratum, such as dense till or bedrock, in which case they will get most of their bearing capacity from the base and consequently be classified as end bearing piles. Solitary ring s can be used in this type of. n case there is a special need to tie the and ring together (like cavities or soft clay in ground or where starts over water surface) the connection can be made economically by using a separate. and can be integrated in the factory. These factory assembled s are easy to use. The systems are available through the whole product range the smallest being for 114 mm (4 1/2") casing and largest size available at the moment is for 1220 mm (48") casing nstalling skin friction piles 1. Casing is installed. 2. Drill string is pulled out from the hole. 3. Reinforcement element is installed and concrete poured in. inally the casing is pulled out with. Skin friction piles Where there is no particular dense underlying stratum, the bearing capacity will depend on the friction forces that are mobilized along the length of the pile. These piles are called skin friction piles. Casings are often retrieved after reinforcement structure has been installed.skin friction piles can be drilled with the solitary ring as above, pulling out the casing after the concrete is poured in, but more common is to use a system where also the ring is retrieved. Such systems always have large ring inner diameters to allow maximal inside diameter usage for reinforcement structure. The same method can also be applied to well for where casings are retrieved. Retrievable systems are available for casing sizes from 89 mm to 1220 mm (3 1/2" to 48"). 5

6 Common system requirements Large pass through inner diameter There are casing where the passage through the ring is essential. Such requirement is typical in both piling as well as in well. Symmetrix product range includes models taking this requirement into consideration. n piling a large pass through ring inner diameter is normally required to drill a hole for a rock socket without the casing with a DTH. On the other hand the structure of pile reinforcement placed into the casing requires a certain space and when casings are retrieved ring inner diameter needs to be large enough. n well the casing is drilled through overburden into the bedrock and then the of rock well is continued with a DTH. or that reason the ring inner diameter needs to be large enough System with large pass through inner diameter 1. Casing is installed until bedrock. 2. Drill string is pulled out from the hole. 3. Drilling of the well continues with a DTH, which passes through the ring. Systems with drill-through pilot Sometimes it is economically reasonable to drill the hole for the rock socket with the actual Symmetrix pilot. This applies to all cases where the rock socket length is short compared to the casing length. By utilizing the Symmetrix pilot for the rock socket, time is saved, since there is no need to replace the Symmetrix pilot with a DTH between work phases. Symmetrix product family has such drill through systems for both permanent and retrievable casings. Drill through systems are available for most casing sizes. n the product designation code, not only the ring inner diameter, but also the outer diameter of the pilot is given since the pilot makes a larger hole than the ring s inner diameter System with drill-through pilot 1. Casing is installed until surface of bedrock. 2. Drill through pilot is unlocked from ring and after that pilot drills a rock socket. Drill string is pulled out from the hole. 3. Reinforcement element is installed and concrete poured into the hole. 6

7 Common system requirements Heavy-duty systems Symmetrix product family includes the heavy-duty system, which has very strong striking and pulling surfaces. n horizontal the friction between soil and casing can grow very high and Symmetrix heavyduty drill s are designed to stand the abrasion in such conditions. 2 Heavy duty system - horizontal 1. Casing is installed through overburden layer. 2. (and with starter casing) are recovered from receiving pit. Drill string is withdrawn to starter pit. 1 These systems are intended for break through where the ring is recovered for re-use. System can be also used for deep vertical holes, if there is no requirement on a large ring inner diameter. Heavy duty systems are available for casings from 140 mm up to mm (5 1/2" to 48"). Symmetrix heavy-duty system with a solitary ring, which can be connected to a by optional. 1 Top hammer systems While most of casing is done with DTH hammers there are also requirements to drill casings with top hammers. Symmetrix product range naturally consists models for both permanent and retrievable casings with top hammer. 2 Top hammer system for permanent casings, e.g. for forepoling 3 orepoling with top hammer 1. Casing is installed. 2. Drill string is pulled out from the hole. 3. After grouting installation is finished. Top hammer system for retrievable casings, e.g. for anchoring 7

8 Special system designs Clay face design Sometimes clay makes casing advancement very problematic. Clay cannot be drilled with impact as its elastic structure does not break nor produce any cuttings to be flushed out, making penetration very slow. Hard, rubber type clays can be drilled with cutting only. or that reason Symmetrix clay face has been designed. Symmetrix clay version, which is optional for all models, has despite its large clay cutting face area enough surface with tungsten carbide inserts to allow also into solid rock. Clay cutting edge Sensitive conditions When facing sensitive conditions, such as underpinning and construction close to existing structures, pilot s with extra deep face flushing grooves can be of great use. These Symmetrix pilot s are used with long ring assembly to keep flushing within the face area and collect the cuttings back into the casing. This means less disturbances for surrounding structures. The method can also be utilized in marine constructions, where this assembly ensures controlled and cuttings removal in sea bottom conditions. This system does not only keep the flushing under control but also allows accurate and straight penetration in steeply sloped bedrock face. Extended ring Deep flushing grooves These two models are not included in product listing and are available on request. Please contact your local Atlas Copco customer center or distributor. 8

9 Special system designs Symmetrix features Each Symmetrix system is made from high quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, and fitted with durable tungsten carbide buttons. with hemispherical buttons Ballistic buttons for specific conditions Symmetrix drill s are manufactured with hemispherical buttons, but can be dressed also with ballistic buttons for use in soft and medium hard formations to achieve higher penetration rate. Ballistic buttons are efficient in cutting clay and also able to penetrate into wood when drilled within old wooden foundation. Drill s with ballistic buttons are available on request. Please contact your local Atlas Copco customer center or distributor. 9

10 How to select a Symmetrix system When selecting the right Symmetrix casing system, the first question to ask is whether the casing should be permanent or retrievable. This will influence the further choices. The second issue to investigate is what casing size is used by determining outer diameter of the casing pipe and wall thickness. or permanent casing, both thick and thin wall casing can be used, while a thick wall casing is needed for retrievable casing. The final step is to get a good insight of the application and requirements for the system. or example what kind of hammer is used? s continued through the ring after the casing has been installed? s the horizontal or vertical? Product designation code The Symmetrix systems will be named and ed according to the casing type, casing size and ring inner diameter in both, permanent and retrievable forms. Casing type, P=Permanent, R=Retrievable Casing outer Ø (mm) Maximum casing wall thickness (mm) P168/ QL50 or ring / drill-through pilot outer Ø (mm) Shank or thread or product description 1. We need to know if the casings are left in the ground (Permanent) or are pulled out (Retrievable) 2. We also need to know the casing outer diameter and wall thickness. 3. We need to know the application requirements, i.e. - DTH or tophammer? - Large pass through inner diameter? - Drill-through system? ntegrated - Well ntegrated - Tunnelling ntegrated - oundation Solitary ring systems - oundation Permanent (P) Retrievable (R) Permanent - thin wall casing Permanent - thick wall casing Retrievable - thick wall casing Heavy duty systems - Horizontal Drill-through pilot - oundation ntegrated - oundation / Well Drill-through pilot - oundation 10

11 Overview map of Symmetrix systems Casing type Hammer type System feature system Remark Casing outer Ø mm (inch) Large pass through Permanent or retrievable DTH / Top hammer oundation, especially end bearing piles Either solitary ring with optional welding ring or integrated When with solitary ring casing can be retrieved and ring is left in the bottom of the hole (4 1/2-48) No Permanent DTH Heavy duty Horizontal, vertical breakthrough, deep vertical holes Solitary ring with optional (5 1/2-48) No Permanent DTH Drillthrough pilot oundation, especially end bearing piles, anchoring ntegrated ring set The pilot can continue hole for rock socket (6 5/8-28) Yes Permanent DTH Well ntegrated ring set (5 1/2-7 5/8) Yes Permanent DTH Deep well, foundation ntegrated ring set (6 5/8-36) Yes Permanent Top hammer / DTH orepoling in tunnels ntegrated ring set (3-4 1/2) No Retrievable DTH / Top hammer oundation, especially skin friction piles, anchoring ntegrated ring set /2-48) Yes Retrievable DTH Drillthrough pilot oundation anchoring ntegrated ring set The pilot can continue hole for rock socket (4 1/2-48) Yes Retrievable DTH Piling, anchoring. Pre- of holes for driven piles ntegrated ring set (8 5/8-40) No 11

12 Permanent / Top hammer Symmetrix overburden system Casing 76,2 mm (3") G P76/ ,0 set R P76/8-41- Casing 88,9 mm (3 1/2") 1,5 G P89/8-54-T38 3,5 set R P89/8-54- Casing 114,3 mm (4 1/2") 2,0 P114/10-61-T45 5,0 8, mm 0,31 1,61 3,46 2,26 inch 8, mm 0,31 1,61 3,46 2,26 inch 8, mm 0,31 2,13 3,94 2,76 inch 8, mm 0,31 2,13 3,94 2,76 inch 10, mm 0,39 2,40 4,92 3,65 inch oundation Tunnelling K P114/10-61-LH ring left hand 2,5 10, mm 0,39 2,40 4,92 3,65 inch P114/ ,0 10, mm 0,39 2,40 4,92 3,65 inch P114/8-61- To be used with P114/10-61 pilot and ring 2,0 8, mm 0,31 2,40 4,92 3,65 inch G P114/10-75-T38 6,0 set R P114/ Casing 139,7 mm (5 1/2") 4,0 G P140/ T45 6,0 G P140/ T51 6,0 10, mm 0,39 2,95 5,08 3,65 inch 10, mm 0,39 2,95 5,08 3,65 inch 10, mm 0,39 2,40 4,92 4,59 inch 10, mm 0,39 2,40 4,92 4,59 inch set R P140/ ,0 10, mm 0,39 2,40 4,92 4,59 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 12

13 Permanent / DTH Symmetrix overburden system oundation Well Casing 114,3 mm (4 1/2") A P114/ COP32 8,0 10, mm 0,39 2,40 4,92 3,65 inch A P114/8-61-COP34 8,0 10, mm 0,39 2,40 4,92 3,65 inch A PP114/ DHD3.5 8,0 10, mm 0,39 2,40 4,92 3,65 inch K P114/ ring 2,5 10, mm 0,39 2,40 4,92 3,65 inch Casing shoe P114/ ,0 10, mm 0,39 2,40 4,92 3,65 inch Casing shoe P114/8-61- To be used also with P114/10-61 pilot and ring 2,0 8, mm 0,31 2,40 4,92 3,65 inch P114/8-75-COP32 8,0 D P114/8-75-COP34 8,0 8, mm 0,31 2,95 4,92 3,65 inch 8, mm 0,31 2,95 5,08 3,65 inch D P114/8-75- DHD3.5 8,0 8, mm 0,31 2,95 5,08 3,65 inch set R P114/ To be used with P114/8-75 pilot, 4,0 10, mm 0,39 2,95 5,08 3,65 inch Casing 139,7 mm (5 1/2") A P140/ COP44/DHD340 10,0 10, mm 0,39 3,23 5,94 4,61 inch A P140/ COP42 10,0 10, mm 0,39 3,23 5,94 4,61 inch A P140/10-82-QL40 10,0 A P140/10-82-SD4 10,0 10, mm 0,39 3,23 5,94 4,61 inch 10, mm 0,39 3,23 5,94 4,61 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 13

14 Permanent / DTH Symmetrix overburden system continuing from previous page K P140/ ring 3,5 10, mm 0,39 3,23 5,94 4,61 inch oundation Well P140/ ,5 10, mm 0,39 3,23 5,94 4,61 inch P140/8-82- to be used with P140/10-82 pilot and ring 2,5 8, mm 0,31 3,23 5,94 4,61 inch J P140/ COP44/DHD340 13,0 10, mm 0,39 3,94 6,26 4,61 inch J P140/ COP42 13,0 10, mm 0,39 3,94 6,26 4,61 inch J P140/ QL40 13,0 J P140/ SD4 13,0 10, mm 0,39 3,94 6,26 4,61 inch 10, mm 0,39 3,94 6,26 4,61 inch set U P140/ ,0 10, mm 0,39 3,94 6,26 4,61 inch D P140/ COP44/DHD340 14,0 5, mm 0,2 4,53 6,26 5,02 inch D P140/ COP42 14,0 5, mm 0,2 4,53 6,26 5,02 inch D P140/5-115-QL40 14,0 D P140/5-115-SD4 14,0 set O P140/ Casing 152,4 mm (6") A P152/ COP44/DHD340 3,5 14,0 5, mm 0,2 4,53 6,26 5,02 inch 5, mm 0,2 4,53 6,26 5,02 inch 5, mm 0,2 4,53 6,26 5,02 inch 10, mm 0,39 3,70 6,38 5,09 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 14

15 Permanent / DTH Symmetrix overburden system continuing from previous page A P152/10-94-QL40 14,0 A P152/10-94-SD4 14,0 10, mm 0,39 3,70 6,38 5,09 inch 10, mm 0,39 3,70 6,38 5,09 inch oundation Well K P152/ ring 4,0 10, mm 0,39 3,70 6,38 5,09 inch Casing shoe P152/ ,5 10, mm 0,39 3,70 6,38 5,09 inch Casing 168,3 mm (6 5/8") A P168/ COP54/DHD350 20,0 12, mm 0,5 4,06 7,05 5,51 inch A P168/ QL50 20,0 12, mm 0,5 4,06 7,05 5,51 inch A P168/ SD5 20,0 12, mm 0,5 4,06 7,05 5,51 inch K P168/ ring 4,5 12, mm 0,5 4,06 7,05 5,51 inch P168/ ,5 12, mm 0,5 4,06 7,05 5,51 inch P168/ to be used with P168/ pilot and ring 2,5 10, mm 0,39 4,06 7,05 5,51 inch P168/ to be used with P168/ pilot and ring 2,5 8, mm 0,31 4,06 7,05 5,51 inch J P168/ COP54/DHD350 23,0 12, mm 0,5 4,92 7,40 5,55 inch J P168/ QL50 23,0 12, mm 0,5 4,92 7,40 5,55 inch J P168/ SD5 23,0 12, mm 0,5 4,92 7,40 5,55 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 15

16 Permanent / DTH Symmetrix overburden system continuing from previous page set U P168/ ,0 12, mm 0,50 4,92 7,40 5,55 inch oundation Well C P168/ COP54/DHD350 24,0 7, mm 0,28 5,51 7,80 5,98 inch C P168/ COP52 24,0 7, mm 0,28 5,51 7,80 5,98 inch C P168/7-140-QL50 24,0 C P168/7-140-SD5 24,0 7, mm 0,28 5,51 7,80 5,98 inch 7, mm 0,28 5,51 7,80 5,98 inch set N P168/ ,0 7, mm 0,28 5,51 7,80 5,98 inch D P168/ COP54/DHD350 24,0 5, mm 0,22 5,51 7,40 6,10 inch D P168/ COP52 24,0 5, mm 0,22 5,51 7,40 6,10 inch D P168/ QL50 24,0 5, mm 0,22 5,51 7,40 6,10 inch D P168/ SD5 24,0 set O P168/ Casing 177,8 mm (7") A P178/ COP54/DHD350 5,0 25,0 5, mm 0,22 5,51 7,40 6,10 inch 5, mm 0,22 5,51 7,40 6,10 inch 12, mm 0,50 4,49 7,36 5,91 inch A P178/ QL50 25,0 12, mm 0,50 4,49 7,36 5,91 inch A P178/ SD5 25,0 12, mm 0,50 4,49 7,36 5,91 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 16

17 Permanent / DTH Symmetrix overburden system continuing from previous page K P178/ ring 5,0 12, mm 0,50 4,49 7,36 5,91 inch oundation Well P178/ ,5 12, mm 0,50 4,49 7,36 5,91 inch P178/ to be used with P178/ pilot and ring 2,5 10, mm 0,39 4,49 7,36 5,91 inch Welding ring W P178/ ,0 10, mm 0,39 4,49 7,36 5,91 inch J P178/ COP54/DHD350 33,0 12, mm 0,50 5,16 7,72 5,91 inch J P178/ QL50 33,0 12, mm 0,50 5,16 7,72 5,91 inch J P178/ SD5 33,0 12, mm 0,50 5,16 7,72 5,91 inch set U P178/ ,5 12, mm 0,50 5,16 7,72 5,91 inch C P178/ DHD360 35,0 7, mm 0,28 6,02 7,72 6,39 inch C P178/7-153-QL60 35,0 C P178/7-153-SD6 35,0 set N P178/ Casing 193,7 mm (7 5/8") A P194/ DHD360 6,5 35,0 7, mm 0,28 6,02 7,72 6,39 inch 7, mm 0,28 6,02 7,72 6,39 inch 7, mm 0,28 6,02 7,72 6,39 inch 12, mm 0,50 5,00 8,11 6,50 inch A P194/ QL60 35,0 12, mm 0,50 5,00 8,11 6,50 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 17

18 Permanent / DTH Symmetrix overburden system oundation Well continuing from previous page A P194/ SD6 35,0 12, mm 0,50 5,00 8,11 6,50 inch K P194/ ring 5,5 12, mm 0,50 5,00 8,11 6,50 inch P194/ ,0 12, mm 0,50 5,00 8,11 6,50 inch Welding ring W P194/ ,5 12, mm 0,50 5,0 8,11 6,50 inch J P194/ DHD360 35,0 12, mm 0,50 5,79 8,43 6,54 inch J P194/ QL60 35,0 12, mm 0,50 5,79 8,43 6,54 inch J P194/ SD6 35,0 12, mm 0,50 5,79 8,43 6,54 inch set U P194/ ,5 12, mm 0,50 5,79 8,43 6,54 inch D P194/ DHD360 37,0 5, mm 0,22 6,50 8,46 7,09 inch D P194/ QL60 37,0 5, mm 0,22 6,50 8,46 7,09 inch D P194/ SD6 37,0 set O P194/ Casing 219,1 mm (8 5/8") A P219/ DHD360 7,0 45,0 5, mm 0,22 6,50 8,46 7,09 inch 5, mm 0,22 6,50 8,46 7,09 inch 12, mm 0,50 5,75 9,09 7,48 inch A P219/ QL60 45,0 12, mm 0,50 5,75 9,09 7,48 inch A P219/ SD6 45,0 12, mm 0,50 5,75 9,09 7,48 inch K P219/ ring 6,0 12, mm 0,50 5,75 9,09 7,48 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 18

19 Permanent / DTH Symmetrix overburden system oundation Well continuing from previous page P219/ ,0 12, mm 0,50 5,75 9,09 7,48 inch P219/ to be used with P219/ pilot and ring 3,0 10, mm 0,39 5,75 9,09 7,48 inch Welding ring W P219/ ,0 12, mm 0,50 5,75 9,09 7,48 inch C P219/ DHD360 45,0 6, mm 0,26 7,48 9,70 7,95 inch C P219/ QL60 45,0 6, mm 0,26 7,48 9,70 7,95 inch C P219/ SD6 45,0 set N P219/ Casing 244,5 mm (9 5/8") A P245/ DHD360 13,0 65,0 6, mm 0,26 7,48 9,70 7,95 inch 6, mm 0,26 7,48 9,70 7,95 inch 12, mm 0,50 6,38 10,16 8,35 inch A P245/ DHD380 65,0 12, mm 0,50 6,38 10,16 8,35 inch A P245/ QL60 65,0 12, mm 0,50 6,38 10,16 8,35 inch A P245/ QL80 65,0 12, mm 0,50 6,38 10,16 8,35 inch A P245/ SD6 65,0 12, mm 0,50 6,38 10,16 8,35 inch A P245/ SD8 65,0 12, mm 0,50 6,38 10,16 8,35 inch K P245/ ring 8,0 12, mm 0,50 6,38 10,16 8,35 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 19

20 Permanent / DTH Symmetrix overburden system oundation Well continuing from previous page P245/ ,0 12, mm 0,50 6,38 10,16 8,35 inch P245/ to be used with P245/ pilot, ring and 4,0 12, mm 0,50 6,38 10,16 8,35 inch P245/ to be used with P245/ pilot and ring and 4,0 12, mm 0,50 6,38 10,16 8,35 inch Welding ring W P245/ Casing 273,0 mm (10 3/4") A P273/ DHD380 2,0 85,0 12, mm 0,50 6,38 10,16 8,35 inch 12, mm 0,50 7,60 11,46 9,48 inch A P273/ QL80 85,0 12, mm 0,50 7,60 11,46 9,48 inch A P273/ SD8 85,0 12, mm 0,50 7,60 11,46 9,48 inch K P273/ ring 9,0 12, mm 0,50 7,60 11,46 9,48 inch P273/ ,0 12, mm 0,50 7,60 11,46 9,48 inch P273/ to be used with P273/ pilot, ring and 5,0 10, mm 0,39 7,60 11,46 9,48 inch P273/ to be used with P273/ pilot and ring and 5,0 8, mm 0,31 7,60 11,46 9,48 inch Welding ring W P273/ ,5 12, mm 0,50 7,60 11,46 9,48 inch C P273/ DHD380 85,0 8, mm 0,31 9,45 11,73 10,0 inch C P273/8-240-QL80 85,0 8, mm 0,31 9,45 11,73 10,0 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 20

21 Permanent / DTH Symmetrix overburden system continuing from previous page C P273/8-240-SD8 85,0 set N P273/ Casing 323,9 mm (12 3/4") A P324/ DHD380 17,0 13,0 8, mm 0,31 9,45 11,73 10,0 inch 8, mm 0,31 9,45 11,73 10,0 inch 14, mm 0,56 9,45 13,35 11,32 inch oundation Well A P324/ QL80 13,0 14, mm 0,56 9,45 13,35 11,32 inch A P324/ SD8 13,0 14, mm 0,56 9,45 13,35 11,32 inch K P324/ ring 12,0 14, mm 0,56 9,45 13,35 11,32 inch P324/ ,0 14, mm 0,56 9,45 13,35 11,32 inch P324/12, to be used with P324/ pilot, ring and 6,0 12, mm 0,50 9,45 13,35 11,32 inch P324/ to be used with P324/ pilot and ring and 6,0 10, mm 0,39 9,45 13,35 11,32 inch P324/ to be used with P324/ pilot, ring and 6,0 8, mm 0,31 9,45 13,35 11,32 inch Welding ring W P324/ ,0 14, mm 0,56 9,45 13,35 11,32 inch C P324/ DHD ,0 10, mm 0,39 11,10 13,78 11,73 inch C P324/ QL80 130,0 10, mm 0,39 11,10 13,78 11,73 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 21

22 Permanent / DTH Symmetrix overburden system continuing from previous page C P324/ SD8 130,0 set N P324/ Casing 406,4 mm (16") A P406/ DHD112 25,0 240,0 10, mm 0,39 11,10 13,78 11,73 inch 10, mm 0,39 11,10 13,78 11,73 inch 16, mm 0,63 12,91 16,54 14,57 inch oundation Well A P406/ QL ,0 16, mm 0,63 12,91 16,54 14,57 inch A P406/ SD12 240,0 16, mm 0,63 12,91 16,54 14,57 inch A P406/ NUMA ,0 16, mm 0,63 12,91 16,54 14,57 inch K P406/ ring 15,0 16, mm 0,63 12,91 16,54 14,57 inch P406/ ,0 16, mm 0,63 12,91 16,54 14,57 inch P406/12, to be used with P406/ pilot, ring and 7,0 12, mm 0,50 12,91 16,54 14,57 inch P406/ to be used with P406/ pilot and ring and 7,0 10, mm 0,9 12,91 16,54 14,57 inch Welding ring W P406/ ,0 16, mm 0,63 12,91 16,54 14,57 inch C P406/ DHD ,0 12, mm 0,50 14,33 16,85 14,92 inch C P P406/ QL ,0 12, mm 0,50 14,33 16,85 14,92 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 22

23 Permanent / DTH Symmetrix overburden system oundation Well continuing from previous page C P406/ SD12 250,0 12, mm 0,50 14,33 16,85 14,92 inch set N P406/ Casing 457,2 mm (18") A P457/ DHD112S 50,0 300,0 12, mm 0,50 14,33 16,85 14,92 inch 12, mm 0,50 14,88 18,43 16,75 inch A P457/ QL ,0 12, mm 0,50 14,88 18,43 16,75 inch A P457/ SD12 300,0 12, mm 0,50 14,88 18,43 16,75 inch K P457/ ring 17,0 12, mm 0,50 14,88 18,43 16,75 inch P457/ ,0 12, mm 0,50 14,88 18,43 16,75 inch P457/ to be used with P457/ pilot and ring and 9,0 10, mm 0,39 14,88 18,43 16,75 inch Welding ring W P457/ ,0 12, mm 0,50 14,88 18,43 16,75 inch C P457/ DHD112S 340,0 14, mm 0,56 16,06 18,70 16,02 inch C P457/ QL ,0 14, mm 0,56 16,06 18,70 16,02 inch C P457/ NUMA120S 340,0 14, mm 0,56 16,06 18,70 16,02 inch C P457/ SD12 340,0 14, mm 0,56 16,06 18,70 16,02 inch set N P457/ ,0 14, mm 0,56 16,06 18,70 16,02 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 23

24 Permanent / DTH Symmetrix overburden system oundation Well Casing 508,0 mm (20") A P508/ DHD112S 350,0 16, mm 0,63 16,65 20,47 18,54 inch A P508/ QL ,0 16, mm 0,63 16,65 20,47 18,54 inch A P508/ QL ,0 16, mm 0,63 16,65 20,47 18,54 inch A P508/ NUMA ,0 16, mm 0,63 16,65 20,47 18,54 inch A P508/ SD18 350,0 16, mm 0,63 16,65 20,47 18,54 inch K P508/ ring 20,0 16, mm 0,63 16,65 20,47 18,54 inch P508/ ,0 16, mm 0,63 16,65 20,47 18,54 inch P508/ to be used with P508/ pilot, ring and 10,0 16, mm 0,63 16,65 20,47 18,54 inch P508/ to be used with P508/ pilot and ring and 10,0 12, mm 0, inch Welding ring W P508/ ,0 10, mm 0, inch C P508/ DHD112S 400,0 16, mm 0,63 17,60 20,39 18,27 inch C P508/ QL ,0 16, mm 0,63 17,60 20,39 18,27 inch C P508/ SD12 400,0 16, mm 0,63 17,60 20,39 18,27 inch set N P508/ ,0 16, mm 0,63 17,60 20,39 18,27 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 24

25 Permanent / DTH Symmetrix overburden system oundation Well Casing 558,8 mm (22") A P559/ QL ,0 12, mm 0,50 18,75 22,44 20,75 inch A P559/ NUMA ,0 12, mm 0,50 18,75 22,44 20,75 inch A P559/ SD18 450,0 12, mm 0,50 18,75 22,44 20,75 inch K P559/ ring 23,0 12, mm 0,50 18,78 22,44 20,75 inch P559/ ,0 12, mm 0,50 18,78 22,44 20,75 inch Welding ring W P559/ Casing 609,6 mm (24") A P610/ QL200 7,0 550,0 12, mm 0,50 18,78 22,44 20,75 inch 16, mm 0,63 20,51 24,49 22,50 inch A P610/ NUMA ,0 16, mm 0,63 20,51 24,49 22,50 inch A P610/ SD18 550,0 16, mm 0,63 20,51 24,49 22,50 inch K P610/ ring 26,0 16, mm 0,63 20,51 24,49 22,50 inch P610/ ,0 16, mm 0,63 20,51 24,49 22,50 inch P610/ to be used with P610/ pilot, ring and 13,0 14, mm 0,56 20,51 24,49 22,50 inch P610/ to be used with P610/ pilot and ring and 13,0 12, mm 0,56 20,51 24,49 22,50 inch Welding ring W P610/ ,0 16, mm 0,63 20,51 24,49 22,50 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 25

26 Permanent / DTH Symmetrix overburden system continuing from previous page C P610/ QL200 C P610/ NUMA180 C P610/ SD18 set N P610/ Casing 660,4 mm (26") A P660/ QL200 K P660/ ring P660/ Welding ring W P660/ Casing 711,2 mm (28") A P711/ QL200S A P711/ NUMA180 A P711/ SD18 K P711/ ring P711/ P711/ ,0 550,0 550,0 60,0 620,0 45,0 18,0 8,0 690,0 690,0 690,0 55,0 to be used with P711/ pilot, ring and 20,0 20,0 16, mm 0,63 21,77 24,72 21,72 inch 16, mm 0,63 21,77 24,72 21,72 inch 16, mm 0,63 21,77 24,72 21,72 inch 16, mm 0,63 21,77 24,72 21,72 inch 16, mm 0,63 22,32 23,77 24,49 inch 16, mm 0,63 22,32 23,77 24,49 inch 16, mm 0,63 22,32 23,77 24,49 inch 16, mm 0,63 22,32 23,77 24,49 inch 16, mm 0,63 24,17 28,70 26,39 inch 16, mm 0,63 24,17 28,70 26,39 inch 16, mm 0,63 24,17 28,70 26,39 inch 16, mm 0,63 24,17 28,70 26,39 inch 16, ,63 24,17 28,70 26,39 12, mm 0,50 24,17 28,70 26,39 inch oundation Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 26

27 Permanent / DTH Symmetrix overburden system oundation Well continuing from previous page Welding ring W P711/ ,0 16, mm 0,63 24,17 28,70 26,39 inch C P711/ QL ,0 16, mm 0,63 25,35 28,83 26,26 inch set N P711/ ring set 130,0 16, mm 0,63 25,35 28,83 26,26 inch Casing 762,0 mm (30") A P762/ QL200S 900,0 16, mm 0,63 26,34 30,75 28,50 inch K P762/ ring 65,0 16, mm 0,63 26,34 30,75 28,50 inch P762/ ,0 16, mm 0,63 26,34 30,75 28,50 inch Welding ring W P762/ ,0 16, mm 0,63 26,34 30,75 28,50 inch Casing 812,8 mm (32") A P813/ QL200S 1000,0 16, mm 0,63 27,91 32,68 30,28 inch K P813/ ring 70,0 16, mm 0,63 27,91 32,68 30,28 inch P813/ ,0 16, mm 0,63 27,91 32,68 30,28 inch P813/ to be used with P813/ pilot, ring and 30,0 16, mm 0,53 27,91 32,68 30,28 inch Welding ring W P813/ ,0 16, mm 0,53 27,91 32,68 32,68 inch C P813/ QL ,0 16, mm 0,53 29,06 32,98 30,03 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 27

28 Permanent / DTH Symmetrix overburden system continuing from previous page set W P813/ Casing 914,4 mm (36") A P914/ QL200S K P914/ ring P914/ P914/ ,0 140,0 90,0 to be used with P914/ pilot, ring and 40,0 40,0 16, mm 0,53 29,06 32,98 30,03 inch 16, mm 0,36 32,20 36,69 33,50 inch 16, mm 0,36 32,20 36,69 33,50 inch 16, mm 0,36 32,20 36,69 33,50 inch 14, mm 0,56 32,20 36,69 33,50 inch oundation Well Welding ring W P914/ ,0 16, mm 0,36 32,20 36,69 33,50 inch C P914/ QL200S set N P914/ Casing 1016 mm (40") A P1016/ QL300 K P1016/ ring P1016/ P1016/ Welding ring W P1016/ ,0 180,0 2000,0 100,0 to be used with P1016/ pilot and ring and 50,0 50,0 25,0 16, mm 0,36 32,99 37,30 34,03 inch 16, mm 0,36 32,99 37,30 34,03 inch 16, mm 0,63 35,94 40,67 38,31 inch 16, mm 0,63 35,94 40,67 38,31 inch 16, mm 0,63 35,94 40,67 38,31 inch 14, mm 0,56 35,94 40,67 38,31 inch 16, mm 0,63 35,94 40,67 38,31 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 28

29 Permanent / DTH / Heavy duty Symmetrix overburden system Casing 139,7 mm (5 1/2") P140/ COP44/DHD340 P140/10-85-QL40 10,0 P140/10-85-SD4 10,0 T P140/ ring P140/ P140/ Welding ring Y P140/ Casing 168,3 mm (6 5/8") P168/ COP54/DHD350 10,0 8,0 to be used with P140/10-85 pilot, ring and 2,0 2,0 1,0 P168/ QL50 24,0 P168/ SD5 24,0 T P168/ ring P168/ P168/ Welding ring Y P168/ ,0 8,0 to be used with P168/ pilot, ring and 2,5 2,5 1,0 10, mm 0,39 3,35 5,94 4,57 inch 10, mm 0,39 3,35 5,94 4,57 inch 10, mm 0,39 3,35 5,94 4,57 inch 10, mm 0,39 3,35 5,94 4,57 inch 10, mm 0,39 3,35 5,94 4,57 inch 6, mm 0,25 3,35 5,94 4,57 inch 10, mm 0,39 3,35 5,94 4,57 inch 10, mm 0,39 4,25 7,20 5,68 inch 10, mm 0,39 4,25 7,20 5,68 inch 10, mm 0,39 4,25 7,20 5,68 inch 10, mm 0,39 4,25 7,20 5,68 inch 10, mm 0,39 4,25 7,20 5,68 inch 6, mm 0,25 4,25 7,20 5,68 inch 10, mm 0,39 4,25 7,20 5,68 inch Horizontal Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 29

30 Permanent / DTH / Heavy duty Symmetrix overburden system Casing 193,7 mm (7 5/8") P194/ DHD360 P194/ QL60 30,0 P194/ SD6 30,0 T P194/ ring P194/ Welding ring Y P194/ Casing 219,1 mm (8 5/8") P219/ DHD360 30,0 15,0 3,0 1,5 P219/ QL60 45,0 P219/ SD6 45,0 T P219/ ring P219/ Welding ring Y P219/ Casing 273,0 mm (10 3/4") P273/ DHD380 P273/ QL80 45,0 20,0 4,0 2,0 90,0 90,0 10, mm 0,39 5,16 8,37 6,65 inch 10, mm 0,39 5,16 8,37 6,65 inch 10, mm 0,39 5,16 8,37 6,65 inch 10, mm 0,39 5,16 8,37 6,65 inch 10, mm 0,39 5,16 8,37 6,65 inch 10, mm 0,39 5,16 8,37 6,65 inch 10, mm 0,39 5,24 9,53 7,70 inch 10, mm 0,39 5,24 9,53 7,70 inch 10, mm 0,39 5,24 9,53 7,70 inch 10, mm 0,39 5,24 9,53 7,70 inch 10, mm 0,39 5,24 9,53 7,70 inch 10, mm 0,39 5,24 9,53 7,70 inch mm 0,50 7,28 11,57 9,65 inch mm 0,50 7,28 11,57 9,65 inch Horizontal Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 30

31 Permanent / DTH / Heavy duty Symmetrix overburden system Horizontal Well continuing from previous page P273/ SD8 90, mm 0,50 7,28 11,57 9,65 inch T P273/ ring 28, mm 0,50 7,28 11,57 9,65 inch P273/ , mm 0,50 7,28 11,57 9,65 inch P273/ to be used with P273/ pilot and ring and 5,0 6, mm 0,25 7,28 11,57 9,65 inch Welding ring Y P273/ ,5 12, mm 0,50 7,28 11,57 9,65 inch Casing 323,9 mm (12 3/4") P324/ DHD ,0 12, mm 0,50 9,29 13,62 11,61 inch P324/ QL80 130,0 12, mm 0,50 9,29 13,62 11,61 inch P324/ SD8 130,0 12, mm 0,50 9,29 13,62 11,61 inch T P324/ ring 42,0 12, mm 0,50 9,29 13,62 11,61 inch P324/ ,0 12, mm 0,50 9,29 13,62 11,61 inch P324/ to be used with P324/ pilot and ring and 6,0 6, mm 0,25 9,29 13,62 11,61 inch Welding ring Y P324/ ,0 12, mm 0,50 9,29 13,62 11,61 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 31

32 Permanent / DTH / Heavy duty Symmetrix overburden system Casing 406,4 mm (16") P406/ DHD112 P406/ QL120 P406/ SD12 P406/ NUMA120 T P406/ ring P406/ Welding ring Y P406/ Casing 457,2 mm (18") P457/ DHD112 P457/ QL120 P457/ NUMA120S P457/ SD12 T P457/ ring P457/ Welding ring Y P457/ ,0 250,0 250,0 250,0 52,0 8,0 4,0 300,0 300,0 300,0 300,0 65,0 9,0 5,0 10, mm 0,39 12,32 17,24 14,88 inch 10, mm 0,39 12,32 17,24 14,88 inch 10, mm 0,39 12,32 17,24 14,88 inch 10, mm 0,39 12,32 17,24 14,88 inch 10, mm 0,39 12,32 17,24 14,88 inch 10, mm 0,39 12,32 17,24 14,88 inch 10, mm 0,39 12,32 17,24 14,88 inch 10, mm 0,39 14,33 19,25 16,80 inch 10, mm 0,39 14,33 19,25 16,80 inch 10, mm 0,39 14,33 19,25 16,80 inch 10, mm 0,39 14,33 19,25 16,80 inch 10, mm 0,39 14,33 19,25 16,80 inch 10, mm 0,39 14,33 19,25 16,80 inch 10, mm 0,39 14,33 19,25 16,80 inch Horizontal Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 32

33 Permanent / DTH / Heavy duty Symmetrix overburden system Casing 508,0 mm (20") P508/ DHD112S P508/ QL120 P508/ SD12 T P508/ ring P508/ P508/ Welding ring Y P508/ Casing 609,6 mm (24") P610/ DHD112S P610/ QL200 P610/ NUMA180 P610/ SD18 T P610/ ring P610/ Welding ring Y P610/ ,0 390,0 390,0 80,0 to be used with P508/ pilot and ring and 12,0 12,0 6,0 550,0 550,0 550,0 550,0 120,0 to be used with P610/ pilot and ring and 15,0 7,0 12, mm 0,50 16,42 21,26 18,82 inch 12, mm 0,50 16,42 21,26 18,82 inch 12, mm 0,50 16,42 21,26 18,82 inch 12, mm 0,50 16,42 21,26 18,82 inch 12, mm 0,50 16,42 21,26 18,82 inch 10, mm 0,39 16,42 21,26 18,82 inch 12, mm 0,50 16,42 21,26 18,82 inch 12, mm 0,50 20,28 25,20 22,76 inch 12, mm 0,50 20,28 25,20 22,76 inch 12, mm 0,50 20,28 25,20 22,76 inch 12, mm 0,50 20,28 25,20 22,76 inch 12, mm 0,50 20,28 25,20 22,76 inch 10, mm 0,39 20,28 25,20 22,76 inch 12, mm 0,50 20,28 25,20 22,76 inch Horizontal Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 33

34 Permanent / DTH / Heavy duty Symmetrix overburden system Casing 660,4 mm (26") P660/ QL200 P660/ NUMA180 P660/ SD18 T P660/ ring P660/ Welding ring Y P660/ Casing 711,2 mm (28") P711/ QL200S T P711/ ring P711/ Welding ring Y P711/ Casing 812,8 mm (32") P813/ QL200S T P813/ ring P813/ Welding ring Y P813/ ,0 600,0 600,0 130,0 18,0 8,0 780,0 150,0 20,0 10,0 100,0 170,0 30,0 15,0 16, mm 0,63 21,81 27,20 24,33 inch 16, mm 0,63 21,81 27,20 24,33 inch 16, mm 0,63 21,81 27,20 24,33 inch 16, mm 0,63 21,81 27,20 24,33 inch 16, mm 0,63 21,81 27,20 24,33 inch 16, mm 0,63 21,81 27,20 24,33 inch 16, mm 0,63 23,82 29,21 26,35 inch 16, mm 0,63 23,82 29,21 26,35 inch 16, mm 0,63 23,82 29,21 26,35 inch 16, mm 0,63 23,82 29,21 26,35 inch 16, mm 0,63 27,95 33,12 30,35 inch 16, mm 0,63 27,95 33,12 30,35 inch 16, mm 0,63 27,95 33,12 30,35 inch 16, mm 0,63 27,95 33,12 30,35 inch Horizontal Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 34

35 Permanent / DTH / Heavy duty Symmetrix overburden system Horizontal Well Casing 914,4 mm (36") P914/ QL200S 1400,0 16, mm 0,63 31,93 37,13 34,33 inch T P914/ ring 220,0 16, mm 0,63 31,93 37,13 34,33 inch P914/ ,0 16, mm 0,63 31,93 37,13 34,33 inch Welding ring Y P914/ Casing 1016 mm (40") 20,0 16, mm 0,63 31,93 37,13 34,33 inch P1016/ QL ,0 16, mm 0,63 35,83 41,31 38,43 inch T P1016/ ring 250,0 16, mm 0,63 35,83 41,31 38,43 inch P1016/ ,0 16, mm 0,63 35,83 41,31 38,43 inch Welding ring Y P1016/ ,0 16, mm 0,63 35,83 41,31 38,43 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 35

36 Permanent / DTH / Drill through Symmetrix overburden system Casing 168,3 mm (6 5/8") E P168/ /139- COP54/DHD350 E P168/ /139- QL50 set P P168/ /139- Casing 177,8 mm (7") E P178/ /150- COP54/DHD350 E P178/ /150- QL50 set P P178/ /150- Casing 193,7 mm (7 5/8") E P194/ /165- DHD360 E P194/ /165- QL60 set P P194/ /165- Casing 219,1 mm (8 5/8") E P219/ /191- DHD360 E P219/ /191- QL60 set P P219/ /191- Casing 244,5 mm (9 5/8") E P245/ /214- DHD360 15,0 15,0 9,0 35,0 35,0 8,5 25,0 25,0 11,0 35,0 35,0 13,0 40,0 12, mm 0,50 4,88 7,17 5,47 inch 12, mm 0,50 4,88 7,17 5,47 inch 12, mm 0,50 4,88 7,17 5,47 inch 12, mm 0,50 5,28 7,56 5,91 inch 12, mm 0,50 5,28 7,56 5,91 inch 12, mm 0,50 5,28 7,56 5,91 inch 12, mm 0,50 5,75 8,35 6,50 inch 12, mm 0,50 5,75 8,35 6,50 inch 12, mm 0,50 5,75 8,35 6,50 inch 12, mm 0,50 6,77 9,33 7,52 inch 12, mm 0,50 6,77 9,33 7,52 inch 12, mm 0,50 6,77 9,33 7,52 inch 12, mm 0,50 7,64 10,55 8,43 inch oundation Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 36

37 Permanent / DTH / Drill through Symmetrix overburden system continuing from previous page E P245/ /214- DHD380 E P245/ /214- QL60 E P245/ /214- QL80 set P P245/ /214- Casing 254,0 mm (10") E P254/ /224- DHD380 E P254/ /224- QL80 set P P254/ /224- Casing 273,0 mm (10 3/4") E P273/ /243- DHD380 E P273/ /243- QL80 set P P273/ /243- Casing 323,9 mm (12 3/4") E P324/ /294- DHD380 E P324/ /294- QL80 set P P324/ /294-40,0 40,0 40,0 18,0 75,0 75,0 18,0 90,0 90,0 20,0 150,0 150,0 35,0 12, mm 0,50 7,64 10,55 8,43 inch 12, mm 0,50 7,64 10,55 8,43 inch 12, mm 0,50 7,64 10,55 8,43 inch 12, mm 0,50 7,64 10,55 8,43 inch 12, mm 0,50 7,99 10,87 8,82 inch 12, mm 0,50 7,99 10,87 8,82 inch 12, mm 0,50 7,99 10,87 8,82 inch 12, mm 0,50 8,74 11,61 9,57 inch 12, mm 0,50 8,74 11,61 9,57 inch 12, mm 0,50 8,74 11,61 9,57 inch 12, mm 0,50 10,71 13,78 11,57 inch 12, mm 0,50 10,71 13,78 11,57 inch 12, mm 0,50 10,71 13,78 11,57 inch oundation Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 37

38 Permanent / DTH / Drill through Symmetrix overburden system Casing 406,4 mm (16") E P406/ /377- DHD ,0 12, mm 0,50 13,94 17,36 14,84 inch oundation Well E P406/ /377- QL ,0 12, mm 0,50 13,94 17,36 14,84 inch set P P406/ /377- Casing 457,2 mm (18") E P457/ /427- QL120 60,0 380,0 12, mm 0,50 13,94 17,36 14,84 inch 12, mm 0,50 15,91 19,33 16,81 inch E P457/ /427- DHD112S 380,0 12, mm 0,50 15,91 19,33 16,81 inch set P P457/ /427- Casing 508,0 mm (20") E P508/16-449/474- DHD112S 70,0 380,0 12, mm 0,50 15,91 19,33 16,81 inch 16, mm 0,63 17,68 21,34 18,66 inch E P508/16-449/474- QL ,0 16, mm 0,63 17,68 21,34 18,66 inch set P P508/16-449/474- Casing 558,8 mm (22") E P559/16-490/520- DHD112S 80,0 500,0 16, mm 0,63 17,68 21,34 18,66 inch 16, mm 0,63 19,29 23,27 20,48 inch E P559/16-490/520- QL ,0 16, mm 0,63 19,29 23,27 20,48 inch E P559/16-490/520- NUMA ,0 16, mm 0,63 19,29 23,27 20,48 inch E P559/16-490/520- SD18 500,0 16, mm 0,63 19,29 23,27 20,48 inch set P P559/16-490/520-90,0 16, mm 0,63 19,29 23,27 20,48 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 38

39 Permanent / DTH / Drill through Symmetrix overburden system Casing 609,6 mm (24") E P610/16-540/571- QL200 set P P610/16-540/571- Casing 711,2 mm (28") E P711/16-641/673- QL200S 700,0 100,0 800,0 16, mm 0,63 21,26 25,24 22,48 inch 16, mm 0,63 21,26 25,24 22,48 inch 16, mm 0,63 25,24 29,25 26,50 inch oundation Well set P P711/16-641/ ,0 16, mm 0,63 25,24 29,25 26,50 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 39

40 Retrievable / Top hammer Symmetrix overburden system Casing 88,9 mm (3 1/2"") H R89/8-58-T38 3,0 set S R89/8-58- Casing 114,3 mm (4 1/2") 3,5 H 14/ ,0 H 14/10-82-T45 4,0 set S 14/ Casing 133,4 mm (5 1/4") 4,5 H 33/10-98-T45 5,0 set S 33/ ,5 8, mm 0,31 2,28 3,74 2,80 inch 8, mm 0,31 2,28 3,74 2,80 inch 10, mm 0,39 3,23 4,80 3,61 inch 10, mm 0,39 3,23 4,80 3,61 inch 10, mm 0,39 3,23 4,80 3,61 inch 10, mm 0,39 3,86 5,59 4,28 inch 10, mm 0,39 3,86 5,59 4,28 inch Anchoring Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 40

41 Retrievable / Top hammer / Drill through Symmetrix overburden system Casing 114,3 mm (4 1/2") set 14/10-80/91- T45 14/10-80/91-4,0 4,5 10, mm 0,39 3,15 5,12 3,58 inch 10, mm 0,39 3,15 5,12 3,58 inch Anchoring Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 41

42 Retrievable / DTH Symmetrix overburden system Casing 88,9 mm (3 1/2"") B R89/8-58-DHD065 5,0 set M R89/8-58-ring set Casing 114,3 mm (4 1/2") B 14/ COP32 3,5 7,0 B 14/8-82-COP34 7,0 B 14/ DHD3.5 set M 14/10-82-ring set Casing 127,0 mm (5") B 27/ COP34 B 27/ COP32 B 27/ DHD3.5 B 27/ DHD340 set M 27/10-95-ring set Casing 133,4 mm (5 1/4"") B 33/ COP44/DHD340 to be used also with 14/8-82 pilot 7,0 4,5 7,0 7,0 4,5 4,5 4,5 9,0 B 33/10-98-QL40 9,0 8, mm 0,31 2,28 3,74 2,65 inch 8, mm 0,31 2,28 3,74 2,65 inch 10, mm 0,39 3,23 4,80 3,61 inch 10, mm 0,39 3,23 4,80 3,61 inch 10, mm 0,39 3,23 4,80 3,61 inch 10, mm 0,39 3,86 5,59 4,28 inch 10, mm 0,39 3,74 5,35 4,13 inch 10, mm 0,39 3,74 5,35 4,13 inch 10, mm 0,39 3,74 5,35 4,13 inch 10, mm 0,39 3,74 5,35 4,13 inch 10, mm 0,39 3,74 5,35 4,13 inch 10, mm 0,39 3,86 5,55 4,28 inch 10, mm 0,39 3,86 5,55 4,28 inch Anchoring Well integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 42

43 Retrievable / DTH Symmetrix overburden system continuing from previous page B 33/ COP42 9,0 B 33/10-98-SD4 9,0 set M 33/ Casing 139,7 mm (5 1/2") B 40/ COP44/DHD340 B 40/ COP42 6,5 12,5 12,5 B 40/ QL40 12,5 B 40/ SD4 12,5 set M 40/ Casing 152,4 mm (6") B 52/ COP44/DHD340 7,0 B 52/ QL40 16,0 B 52/ SD4 16,0 set M 52/ Casing 168,3 mm (6 5/8") B 68/ COP54/DHD350 9,0 25,0 10, mm 0,39 3,86 5,55 4,28 inch 10, mm 0,39 3,86 5,55 4,28 inch 10, mm 0,39 3,86 5,55 4,28 inch 10, mm 0,39 4,09 5,79 4,55 inch 10, mm 0,39 4,09 5,79 4,55 inch 10, mm 0,39 4,09 5,79 4,55 inch 10, mm 0,39 4,09 5,79 4,55 inch 10, mm 0,39 4,09 5,79 4,55 inch 10, mm 0,39 4,57 6,30 5,01 inch 10, mm 0,39 4,57 6,30 5,01 inch 10, mm 0,39 4,57 6,30 5,01 inch 10, mm 0,39 4,57 6,30 5,01 inch 10, mm 0,39 5,20 6,97 5,63 inch oundation drdilling Anchoring integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 43

44 Retrievable / DTH Symmetrix overburden system continuing from previous page B 68/ QL50 25,0 B 68/ SD5 25,0 set M 68/ Casing 177,8 mm (7") B 78/ COP54/DHD350 11,5 30,0 B 78/ QL50 30,0 B 78/ SD5 30,0 set M 78/ Casing 193,7 mm (7 5/8") B 94/ DHD360 B 94/ QL60 B 94/ SD6 set M 94/ Casing 219,1 mm (8 5/8") set A L 19/ ,0 35,0 35,0 35,0 14,0 please choose from group Permanent/DTH P219/ compatible with pilot P219/ ,0 10, mm 0,39 5,20 6,97 5,63 inch 10, mm 0,39 5,20 6,97 5,63 inch 10, mm 0,39 5,20 6,97 5,63 inch 10, mm 0,39 5,55 7,36 6,01 inch 10, mm 0,39 5,55 7,36 6,01 inch 10, mm 0,39 5,55 7,36 6,01 inch 10, mm 0,39 5,55 7,36 6,01 inch 12, mm 0,50 6,06 7,99 6,56 inch 12, mm 0,50 6,06 7,99 6,56 inch 12, mm 0,50 6,06 7,99 6,56 inch 12, mm 0,50 6,06 7,99 6,56 inch 12, mm 0,50 5,75 9,13 7,48 inch oundation drdilling Anchoring integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 44

45 Retrievable / DTH Symmetrix overburden system oundation drdilling Anchoring continuing from previous page B 19/ DHD360 45,0 12, mm 0,50 6,89 8,95 7,48 inch B 19/ QL60 45,0 12, mm 0,50 6,89 8,95 7,48 inch B 78/ COP54/DHD350 45,0 10, mm 0,39 6,89 8,95 7,48 inch set M 78/ QL50 16,0 Casing 244,5 mm (9 5/8") A please choose from group Permanent/DTH P245/ , mm 0,39 6,89 8,95 7,48 inch set Z 45/ compatible with pilot P245/ ,0 12, mm 0,50 6,38 9,92 8,35 inch B 45/ DHD360 60,0 12, mm 0,50 7,78 10,0 8,48 inch B 45/ DHD380 60,0 12, mm 0,50 7,78 10,0 8,48 inch B 45/ QL60 60,0 12, mm 0,50 7,78 10,0 8,48 inch B 45/ QL80 60,0 12, mm 0,50 7,78 10,0 8,48 inch B 45/ SD6 60,0 12, mm 0,50 7,78 10,0 8,48 inch B 45/ SD8 60,0 12, mm 0,50 7,78 10,0 8,48 inch set M 45/ ,0 12, mm 0,50 7,78 10,0 8,48 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 45

46 Retrievable / DTH Symmetrix overburden system Casing 254,0 mm (10") B 54/ DHD380 B 54/ QL80 B 54/ SD8 set M 54/ Casing 273,0 mm (10 3/4") set A Z 73/ ,0 70,0 70,0 20,0 please choose from group Permanent/DTH P273/ compatible with pilot P273/ ,0 12, mm 0,50 8,15 10,47 8,79 inch 12, mm 0,50 8,15 10,47 8,79 inch 12, mm 0,50 8,15 10,47 8,79 inch 12, mm 0,50 8,15 10,47 8,79 inch 12, mm 0,50 7,60 11,26 9,48 inch oundation drdilling Anchoring B 73/ DHD380 B 73/ QL80 B 73/ SD8 set M 73/ Casing 323,9 mm (12 3/4") set A Z 24/ ,0 100,0 100,0 30,0 please choose from group Permanent/DTH P324/ compatible with pilot P324/ ,0 12, mm 0,50 8,90 11,22 9,54 inch 12, mm 0,50 8,90 11,22 9,54 inch 12, mm 0,50 8,90 11,22 9,54 inch 12, mm 0,50 8,90 11,22 9,54 inch 12, mm 0,50 9,45 13,33 10,72 inch B 24/ DHD ,0 12, mm 0,50 10,75 13,31 10,72 inch B 24/ QL80 150,0 12, mm 0,50 10,75 13,31 10,72 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 46

47 Retrievable / DTH Symmetrix overburden system oundation drdilling Anchoring continuing from previous page B 24/ SD8 150,0 12, mm 0,50 10,75 13,31 10,72 inch set M 24/ Casing 406,4 mm (16") 38,0 12, mm 0,50 10,75 13,31 10,72 inch A please choose from group Permanent/DTH P406/ set Z 06/ compatible with pilot P406/ ,0 12, mm 0,50 12,91 16,97 14,57 inch B 06/ DHD ,0 12, mm 0,50 13,86 16,54 14,57 inch B 06/ QL ,0 12, mm 0,50 13,86 16,54 14,57 inch B 06/ SD12 260,0 12, mm 0,50 13,86 16,54 14,57 inch set M 06/ Casing 457,2 mm (18") A 75,0 please choose from group Permanent/DTH P457/ , mm 0,50 13,86 16,54 14,57 inch set Z 57/ compatible with pilot P457/ ,0 12, mm 0,50 14,88 18,78 16,73 inch B 57/ DHD112S 350,0 14, mm 0,56 15,67 18,62 16,54 inch B 57/ QL ,0 14, mm 0,56 15,67 18,62 16,54 inch B 57/ SD12 350,0 14, mm 0,56 15,67 18,62 16,54 inch set M 57/ ,0 14, mm 0,56 15,67 18,62 16,54 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 47

48 Retrievable / DTH Symmetrix overburden system oundation drdilling Anchoring Casing 508,0 mm (20") A please choose from group Permanent/DTH P508/ set Z 08/ compatible with pilot P508/ ,0 16, mm 0,63 16,65 20,67 18,54 inch B 08/ DHD112S 420,0 14, mm 0,56 17,56 20,63 17,52 inch B 08/ QL ,0 14, mm 0,56 17,56 20,63 17,52 inch B 08/ SD12 420,0 14, mm 0,56 17,56 20,63 17,52 inch set M 08/ Casing 558,0 mm (22") 100,0 14, mm 0,56 17,56 20,63 17,52 inch A please choose from group Permanent/DTH P559/ set Z 59/ compatible with pilot P559/ ,0 12, mm 0,50 18,78 22,80 20,75 inch B 59/ QL ,0 16, mm 0,63 19,41 22,64 20,27 inch B 59/ SD18 500,0 16, mm 0,63 19,41 22,64 20,27 inch set M 59/ Casing 609,6 mm (24") A 110,0 please choose from group Permanent/DTH P610/ , mm 0,63 19,41 22,64 20,27 inch set Z R610/ compatible with pilot P610/ ,0 16, mm 0,63 20,51 24,50 22,50 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 48

49 Retrievable / DTH Symmetrix overburden system oundation drdilling Anchoring continuing from previous page B R610/ QL ,0 12, mm 0,50 21,85 25,08 21,77 inch B R610/ NUMA ,0 12, mm 0,50 21,85 25,08 21,77 inch B R610/ SD18 550,0 12, mm 0,50 21,85 25,08 21,77 inch set M R610/ Casing 660,4 mm (26") A 120,0 please choose from group Permanent/DTH P660/ , mm 0,50 21,85 25,08 21,77 inch set Z R660/ compatible with pilot P660/ ,0 16, mm 0,63 22,32 26,77 24,49 inch B R660/ SD18 650,0 16, mm 0,63 23,31 26,69 24,21 inch B R660/ QL ,0 16, mm 0,63 23,31 26,69 24,21 inch B R660/ NUMA ,0 16, mm 0,63 23,31 26,69 24,21 inch set M R660/ Casing 711,2 mm (28") A 130,0 please choose from group Permanent/DTH P711/ , mm 0,63 23,31 26,69 24,21 inch set Z R711/ to be used with pilot P711/ ,0 16, mm 0,63 24,17 28,70 26,39 inch B R711/ QL200S 780,0 16, mm 0,63 25,24 28,78 26,21 inch set M R711/ ring set 150,0 16, mm 0,63 25,24 28,78 26,21 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 49

50 Retrievable / DTH Symmetrix overburden system Casing 762,0 mm (30") oundation drdilling Anchoring A please choose from group Permanent/DTH P762/ set Z R762/ compatible with pilot P762/ ,0 16, mm 0,63 26,34 30,84 28,50 inch B R762/ QL200S 900,0 16, mm 0,63 27,24 30,75 28,19 inch set M R762/ Casing 812,8 mm (32") set A Z R813/ B R813/ QL200S set M R813/ Casing 863,2 mm (34") B R863/ QL200S set M R863/ Casing 914,4 mm (36") set A Z R914/ ,0 please choose from group Permanent/DTH P813/ compatible with pilot P813/ ,0 1100,0 185,0 1250,0 200,0 please choose from group Permanent/DTH P914/ to be used with pilot P914/ ,0 16, mm 0,63 27,24 30,75 28,19 inch 16, mm 0,63 27,91 32,68 30,28 inch 16, mm 0,63 28,98 32,83 28,94 inch 16, mm 0,63 28,98 32,83 28,94 inch 14, mm 0,56 31,10 34,72 31,10 inch 14, mm 0,56 31,10 34,72 31,10 inch 16, mm 0,63 32,20 36,69 33,50 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 50

51 Retrievable / DTH Symmetrix overburden system oundation drdilling Anchoring continuing from previous page B R914/ QL200S 150,0 16, mm 0,63 32,95 36,81 34,02 inch set M R914/ Casing 1016 mm (40") A 220,0 please choose from group Permanent/DTH P1016/ , mm 0,63 32,95 36,81 34,02 inch set Z 016/ compatible with pilot P1016/ , mm 0,63 35,94 40,67 38,31 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 51

52 Retrievable / DTH / Drill through Symmetrix overburden system oundation drdilling Anchoring Casing 114,3 mm (4 1/2") 14/8-80/91- COP32 7,0 8, mm 0,31 3,15 5,12 3,58 inch /8-80/91- DHD3.5 7,0 8, mm 0,31 3,15 5,12 3,58 inch set Q 14/10-80/91-ring set Casing 133,4 mm (5 1/4") 33/ /105- COP34,. To be used with 14/8-80/91 pilot and ring 4,5 9,0 10, mm 0,39 3,15 5,12 3,58 inch 12, mm 0,50 3,70 5,91 4,13 inch / /105- DHD3.5 9,0 12, mm 0,50 3,70 5,91 4,13 inch set Q 33/ /105- Casing 139,7 mm (5 1/2") 40/ /108- DHD340 5,5 9,0 12, mm 0,50 3,70 5,91 4,13 inch 12, mm 0,50 3,82 5,98 4,25 inch / /108- QL40 9,0 12, mm 0,50 3,82 5,98 4,25 inch / /108- COP42 9,0 12, mm 0,50 3,82 5,98 4,25 inch set Q 40/ /108-6,0 12, mm 0,50 3,82 5,98 4,25 inch Casing 152,4 mm (6") 52/ /117- DHD340 12,0 12, mm 0,50 4,13 6,38 4,61 inch / /117- QL40 12,0 12, mm 0,50 4,13 6,38 4,61 inch set Q 52/ /117-7,0 12, mm 0,50 4,13 6,38 4,61 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 52

53 Retrievable / DTH / Drill through Symmetrix overburden system Casing 168,3 mm (6 5/8") 68/10-121/133- COP54/DHD350 15,0 10, mm 0,39 4,76 7,24 5,24 inch oundation drdilling Anchoring /10-121/133- QL50 15,0 10, mm 0,39 4,76 7,24 5,24 inch set Q 68/10-121/133- Casing 177,8 mm (7") 78/10-127/141- COP54/DHD350 9,0 20,0 10, mm 0,39 4,76 7,24 5,24 inch 10, mm 0,39 5,0 7,52 5,55 inch /10-127/141- QL50 20,0 10, mm 0,39 5,0 7,52 5,55 inch /10-127/141- SD50 set Q 78/10-127/141- Casing 193,7 mm (7 5/8") 94/14-142/157- DHD360 20,0 10,0 30,0 10, mm 0,39 5,0 7,52 5,55 inch 10, mm 0,39 5,0 7,52 5,55 inch 14, mm 0,55 5,59 8,23 6,18 inch /14-142/157- QL60 30,0 14, mm 0,55 5,59 8,23 6,18 inch set 94/14-142/157- Casing 219,1 mm (8 5/8") 19/14-166/180- COP64/DHD360 11,0 40,0 14, mm 0,55 5,59 8,23 6,18 inch 14, mm 0,55 6,54 9,25 7,09 inch /14-166/180- QL60 40,0 14, mm 0,55 6,54 9,25 7,09 inch set Q 19/14-166/180-13,0 14, mm 0,55 6,54 9,25 7,09 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 53

54 Retrievable / DTH / Drill through Symmetrix overburden system Casing 273,0 mm (10 3/4") 73/20-207/226- DHD380 70,0 20, mm 0,79 8,15 11,46 8,90 inch oundation drdilling Anchoring /20-207/226- QL80 70,0 20, mm 0,79 8,15 11,46 8,90 inch set Q 73/20-207/226- Casing 323,9 mm (12 3/4") 24/20-256/275- DHD380 20,0 150,0 20, mm 0,79 8,15 11,46 8,90 inch 20, mm 0,79 10,08 13,54 10,83 inch /20-256/275- QL80 150,0 20, mm 0,79 10,08 13,54 10,83 inch set Q 24/20-256/275- Casing 406,4 mm (16") 06/20-330/348- DHD112 35,0 260, 20, mm 0,79 10,08 13,54 10,83 inch 20, mm 0,79 12,99 16,54 13,70 inch /20-330/348- QL ,0 20, mm 0,79 12,99 16,54 13,70 inch set Q 06/20-330/348- Casing 457,2 mm (18") 57/16-374/395- DHD112 75,0 280,0 20, mm 0,79 12,99 16,54 13,70 inch 16, mm 0,63 14,72 18,54 15,55 inch /16-374/395- QL ,0 16, mm 0,63 14,72 18,54 15,55 inch /16-374/395- SD12 280,0 16, mm 0,63 14,72 18,54 15,55 inch set Q 57/16-374/395-70,0 16, mm 0,63 14,72 18,54 15,55 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 54

55 Retrievable / DTH / Drill through Symmetrix overburden system Casing 508,0 mm (20") 08/16-422/447- DHD112S 380,0 16, mm 0,63 16,61 20,71 17,60 inch oundation drdilling Anchoring /16-422/447- QL ,0 16, mm 0,63 16,61 20,71 17,60 inch set Q 08/16-422/447- Casing 558,8 mm (22") 59/16-487/508- QL200 80,0 500,0 16, mm 0,63 16,61 20,71 17,60 inch 16, mm 0,63 19,17 23,14 20,00 inch /16-487/508- DHD112S 500,0 16, mm 0,63 19,17 23,14 20,00 inch /16-487/508- NUMA ,0 16, mm 0,63 19,17 23,14 20,00 inch /16-487/508- SD18 500,0 16, mm 0,63 19,17 23,14 20,00 inch set Q 59/16-487/508- Casing 609,6 mm (24") R610/16-532/551- QL200 set Q R610/16-532/551- Casing 711,2 mm (28") R711/16-632/657- QL200S 90,0 550,0 100,0 850,0 16, mm 0,63 19,17 23,14 20,00 inch 16, mm 0,63 20,94 24,92 21,69 inch 16, mm 0,63 20,94 24,92 21,69 inch 16, mm 0,63 24,88 28,94 25,87 inch set Q R711/16-632/ ,0 16, mm 0,63 24,88 28,94 25,87 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 55

56 Retrievable / DTH / Drill through Symmetrix overburden system oundation drdilling Anchoring Casing 812,8 mm (32") R813/16-718/740- QL200S 1100,0 16, mm 0,63 28,27 32,60 29,13 inch set Q R813/16-718/ ,0 16, mm 0,63 28,27 32,60 29,25 inch integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 56

57 Systems available on request Symmetrix overburden system Casing 101,6 mm (4") Casing 146,0 mm (5 3/4") Casing 267,0 mm (10 1/2") Casing 355,6 mm (14") Casing 1220,0 mm (48") integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 57

58 Accessories Symmetrix overburden system oot valves oot valve oot valve DHD065 0, oot valve oot valve DHD112 0, oot valve oot valve DHD3.5 0, oot valve oot valve COP34 0, oot valve oot valve DHD340/COP44 0, oot valve oot valve DHD350/COP54 0, oot valve oot valve DHD360/COP64 0, oot valve oot valve DHD380 0, oot valve oot valve QL40 0, oot valve oot valve QL50 0, oot valve oot valve QL60 0, oot valve oot valve QL80 0, oot valve oot valve QL120 0, oot valve oot valve QL200 0, oot valve oot valve SD4 0, oot valve oot valve SD5 0, oot valve oot valve SD6 0, oot valve oot valve SD8 0, oot valve oot valve SD10 0, oot valve oot valve SD12 0, oot valve oot valve SD18 0, oot valve oot valve Numa120 0, oot valve oot valve Numa180 0, integrated ring and solitary ring rock socket is drilled by drill-through pilot optional for connecting ring and 58

59 Operating Symmetrix with DTH Torque requirement Symmetrix method needs less torque compared with eccentric systems. A drill rig should have, however, minimum torque shown for various casing sizes in the table. Rotation speed Rotation speed depends on the size of the Symmetrix and also on the formation being drilled. The rotation speed may have to be varied as the formation changes. The harder the ground or the larger the the slower is the rotation speed e.g. Casing size Minimum torque mm inch Nm lb ft ½ / / ¾ Casing size Rotation speed mm inch rpm ½ Air pressure Recommended air pressure in overburden is bars. Welding ring assembly instruction Assembling Symmetrix system with a 1. A, a and a ring are delivered as solitary components. 2. irst insert the around the so that it locks into the groove in the. 3. Then place the ring into the welding ring so that the fits into the groove in the ring. inally weld the ring to the welding ring. 59

60 index no Page in catalogue no Page in catalogue no Page in catalogue no Page in catalogue , , , , ,

61 index no Page in catalogue no Page in catalogue no Page in catalogue no Page in catalogue , , ,

62 index no Page in catalogue no Page in catalogue no Page in catalogue no Page in catalogue

63 index no Page in catalogue 63

64 Märsta, Sweden, 25 July, 2008 Copyright 2008, Atlas Copco Craelius AB, Märsta, Sweden. Any unauthorized use or copying of the contents or any part thereof is prohied. This applies in particular to trademarks, model denominations, part s and drawings. llustrations and photos in this brochure may show equipment with optional extras. Specifications and equipment subjects to change without notice. Consult your Atlas Copco Customer Center for specific information. Atlas Copco Geotechnical Drilling and Exploration

65 s key for tables W K A L B M C N D O E P Q G R H S Y T J U

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