ADDENDUM NO. 3 WATERSHED IMPROVEMENTS ON AN ANNUAL CONTRACT GWINNETT COUNTY DEPARTMENT OF WATER RESOURCES RP031-18

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1 DECEMBER 6, 2018 ADDENDUM 3 WATERSHED IMPROVEMENTS ON AN ANNUAL CONTRACT GWINNETT COUNTY DEPARTMENT OF WATER RESOURCES RP ADDITIONAL INFORMATION DOCUMENTS The following document: Questions and Responses No. 1 is being provided with this addendum for informational purposes only. The document listed above is not, and will not, be considered as part of the Contract Documents. REQUEST FOR PROPOSAL Invitation, second paragraph, Change, Proposals will be received until 2:50 P.M. local time on December 11, (as modified by Addendum No. 1) To Proposals will be received until 2:50 P.M. local time on January 3, Delete Pages 13 through 28 (Fee Schedule) and replace with Pages 13 through 28 (Fee Schedule) included with this addendum. Changes have been made to match the Pay Item Numbers in the Technical Specifications. Changes other than Pay Item Numbers have been highlighted in yellow. TECHNICAL SPECIFICATIONS Page , Article 1.7, Paragraph B, Change, shall be 100 pounds per cubic foot. To shall be 165 pounds per dry cubic foot for all classified stone. Page , Article 1.2, Paragraph D, second sentence, Change, and property GCDWR where appropriate. to. and property owner where appropriate.

2 RP Addendum No. 3 Page - 2 Page , Article 1.11, delete Paragraph D and its sub-paragraphs in their entireties and re-letter subsequent paragraphs. Page , delete Articles 2.4 and 2.5 in their entireties and renumber subsequent articles. Page , Article 4.1, Paragraph A, following Paragraph 3, Add, 4. Payment will be made at bulk rate, unless the Contractor requests and GCDWR agrees that the quantity required, or the means of furnishing of aggregates, by bags is more appropriate for that particular installation. Page , Article 4.3, Paragraph A.2, following first sentence, Add, For the purposes of payment, a crew shall consist of at least three persons performing work on such assignment. Page , Article 4.4, Paragraph A.2.a, following first sentence, Add, For the purposes of payment, a crew shall consist of at least three persons performing work on such assignment. Page , Article 4.6, Paragraph A.2, following first sentence, Add, For the purposes of payment, a crew shall consist of at least three persons performing work on such assignment. Page , Article 4.7, Paragraph A.2, following first sentence, Add, For the purposes of payment, a crew shall consist of at least three persons performing work on such assignment. Page , Article 1.5, Paragraph A.1, following second sentence, Add, Should the Contractor desire to self-perform such work, see General Conditions Paragraph 6.06.I. Page , Article 4.4, Paragraph B.2, Change, of construction exits. to of silt bags. Page , Article 2.1, Paragraph J, Delete, and non-woven geotextile for French drain applications Page , Article 2.1, Paragraph D,

3 RP Addendum No. 3 Page - 3 Change, Maximum 160 pounds per dry cubic foot. To Maximum 165 pounds per dry cubic foot. Page , Article 4.1, Paragraph A, delete Paragraph 3 in its entirety and replace with the following, Page , Article 4.1, Paragraph A, 3. Surveyor. For the purposes of this Pay Item, a Surveyor shall be deemed to consist of a crew of at least two persons. Change, of square yards of to of cubic yards of Page , Article 2.2, following Paragraph D, Add, E. Meshed or netted sod is not acceptable. Page , delete Article 2.8 in its entirety. Page , Article 2.1, delete Paragraph B in its entirety and replace with the following, Page , Article 3.3, Paragraph A., B. Concrete and joint filler shall meet the requirements of Section Curbs, Gutters and Sidewalks. Steel welded wire reinforcement shall meet the requirements of GDOT Standard Specifications Section Change, Curbs, Gutters, Sidewalks and Driveways. To Curbs, Gutters and Sidewalks. Page , Article 3.4, following Paragraph A, Add, B. Concrete driveways and parking areas shall be constructed with steel welded wire reinforcement and provided with contraction joints and joint fillers in accordance with Section Curbs, Gutters and Sidewalks. Page , Article 3.6, delete Paragraphs A and B in their entireties and re-letter subsequent paragraphs.

4 RP Addendum No. 3 Page - 4 This addendum should be acknowledged on the Proposal Signature Form (Page 28) of the Proposal. Failure to do so may result in your bid being deemed non-responsive. Thank you, Shelley McWhorter Shelley McWhorter, CPPB Purchasing Associate III Attachments: New Fee Schedule form Questions and Responses No. 1

5 RP Revised 12/06/18 Page 13 FEE SCHEDULE (TO BE SUBMITTED IN A SEPARATE ENVELOPE) Proposer submits the following Unit Prices for the Watershed Improvements on an Annual Contract. The cost of Work to be included within each Item in the Unit Price Schedule is described in Section Measurement and Payment and the Specifications. EQUIPMENT RATES HEAVY EQUIPMENT TRACKED EXCAVATOR W/HYDRAULIC THUMB (30,000-50,000 LB) A - HALF DAY 2 EA B - FULL DAY 1 EA HEAVY EQUIPMENT MINI EXCAVATOR A - HALF DAY 5 EA B - FULL DAY 2 EA HEAVY EQUIPMENT, RUBBER TIRE LOADER, A - HALF DAY 2 EA B - FULL DAY 1 EA HEAVY EQUIPMENT, 4WD RUBBER TIRE LOADER A - HALF DAY 2 EA B - FULL DAY 1 EA HEAVY EQUIPMENT, SKID STEER LOADER (3,500 LB) A - HALF DAY 5 EA B - FULL DAY 2 EA HEAVY EQUIPMENT, DUMP TRUCK (SINGLE AXLE) A - HALF DAY 2 EA B - FULL DAY 1 EA HEAVY EQUIPMENT, DUMP TRUCK (MULTI AXLE) A - HALF DAY 2 EA B - FULL DAY 1 EA HEAVY EQUIPMENT, TRACKED DUMP TRUCK A - HALF DAY 2 EA B - FULL DAY 1 EA

6 RP Revised 12/06/18 Page 14 SPECIALTIES TEMPORARY PROJECT SIGN A - LARGE 1 EA B - SMALL 5 EA INTERPRETATIVE SIGN 1 EA MITIGATION BANK BOUNDARY SIGN 2 EA FISH STOCKING 230 LB REMOVAL S PAVING REMOVAL 100 CY REMOVAL OF EXISTING DRAINAGE STRUCTURES REMOVAL OF EXISTING PIPE, ALL TYPES AND SIZES 5 EA 50 LF SOLID WASTE DISPOSAL 100 TON INERT WASTE DISPOSAL 200 CY 17 - DELETED CAST IN PLACE CONCRETE CONCRETE STRUCTURES, CAST IN PLACE, INCLUDING REINFORCING STEEL A - CLASS AAA (5,000 psi) 5 CY B - CLASS AA1 (4,500 psi) 5 CY C - CLASS A (3,000 psi) 5 CY D - CLASS B (2,200 psi) 5 CY E - DELETED 19 - GROUTING (NON-PRESSURE) 10 CY CLEARING AND EARTHWORK STONE A - BULK 36 TON B - BAGGED 10,000 LB STONE A - BULK 36 TON B - BAGGED 10,000 LB STONE A - BULK 36 TON B - BAGGED 10,000 LB

7 RP Revised 12/06/18 Page STONE A - BULK 36 TON B - BAGGED 10,000 LB CRUSHER RUN A - BULK 36 TON B - BAGGED 10,000 LB # 8 STONE A - BULK 36 TON B - BAGGED 10,000 LB #89 STONE A - BULK 36 TON B - BAGGED 10,000 LB PEA GRAVEL A - BULK 36 TON B - BAGGED 10,000 LB BENTONITE A - BULK 10 TON B - BAGGED 2,000 LB GRADED AGGREGATE BASE A BULK 36 TON B BAGGED 10,000 LB WELL GRADED RIP RAP 120 TON SLATE CHIPS A - BULK 0.5 TON B - BAGGED 200 LB FLAG STONE A - BULK 0.5 TON B - BAGGED 200 LB GEOGRID REINFORCEMENT 150 SY CLEARING AND GRUBBING MULCH ON SITE CLEARING AND GRUBBING HAUL OFF SITE SELECTIVE TREE PRUNING 5.0 AC 1.0 AC A - CREW HALF DAY 4 EA

8 RP Revised 12/06/18 Page 16 B - CREW FULL DAY 2 EA SELECTIVE TREE REMOVAL A - PER TREE, OVER 12 UP TO 24 IN DBH 40 EA B - PER TREE, OVER 24 UP TO 36" IN DBH 8 EA C - PER TREE, OVER 36 UP TO 48" IN DBH 4 EA D - PER TREE, OVER 48" IN DBH 2 EA E - CREWHALF DAY 5 EA F - CREW FULL DAY 2 EA STUMP GRINDING A - UP TO 12 DIAMETER AT GROUND LEVEL 5 EA B - 12 TO 24 DIAMETER AT GROUND LEVEL 5 EA C - OVER 24 DIAMETER AT GROUND LEVEL 5 EA BRUSH CUTTING A - CREW HALF DAY 2 EA B - CREW FULL DAY 1 EA SHRUB TRIMMING A - CREW HALF DAY 2 EA B - CREW FULL DAY 1 EA 36 - DELETED ORANGE BARRIER FENCING 12,000 LF TEMPORARY CHAIN LINK FENCING 100 LF TEMPORARY WELDED WIRE FENCING 100 LF EXCAVATION AND FILL 6,000 CY POND SEDIMENT REMOVAL PREMIUM A - SUBAQUEOUS REMOVAL 200 CY B - TRADITIONAL SURFACE EXCAVATION AND REMOVAL 200 CY IMPORTED FILL 150 CY PIPE INSTALLATION - ADDITIONAL EXCAVATION WHERE COVER IS GREATER THAN 10 FEET A - 10' ' DEPTH OF COVER 20 LF B - GREATER THAN 15.0' DEPTH OF COVER 20 LF ROCK EXCAVATION (0-100 CY PER PROJECT) 10 CY SPOIL REMOVAL 2,000 CY FLOWABLE FILL 3 CY

9 RP Revised 12/06/18 Page 17 EROSION AND SEDIMENTATION CONTROLS CONSTRUCTION EXIT 5 EA SILT FENCE TYPE S 2,500 LF SILT BAG 2 EA ROCK FILTER DAM 10 CY ROCK CHECK DAM 10 CY INLET SEDIMENT TRAP 10 EA TIMBER MAT 2 EA COIR WATTLE 100 LF COIR ROLL 100 LF TEMPORARY SEEDING 6.0 AC STRAW BALE 100 EA STREAM CROSSING 200 CY TACKIFIER 25 LB FLEXIBLE GROWTH MEDIUM A - SLOPES > 3H to 1V and < 2H to 1V 0.5 AC B - SLOPES > 2H to 1V and < 1H to 1V 0.5 AC C - SLOPES > 1H to 1V 0.5 AC D - BELOW EROSION CONTROL BLANKET 0.5 AC BONDED FIBER MATRIX A - SLOPES > 3H to 1V and < 2H to 1V 0.5 AC B - SLOPES > 2H to 1V and < 1H to 1V 0.5 AC C - SLOPES > 1H to 1V 0.5 AC D - BELOW EROSION CONTROL BLANKET 0.5 AC STABILIZED MULCH MATRIX A - > 3H to 1V and < 2H to 1V 0.5 AC B - BELOW EROSION CONTROL BLANKET 0.5 AC COIR BLANKET 8,000 SY COIR MATTRESS 1,000 SY GEOTEXTILE A - WOVEN (TYPE 1) 700 SY B - NON-WOVEN (TYPE 2) 700 SY C - NON-WOVEN (TYPE 3) 700 SY

10 RP Revised 12/06/18 Page 18 STABILIZATION S PRESSURE GROUTING SOIL STABILIZATION 5 CY PERMANENT SOIL REINFORCING MAT 100 SY GABION STRUCTURES 20 CY STONE RIP RAP IN PLACE, TYPE 1 50 TON STONE RIP RAP IN PLACE, TYPE TON STONE GROUTED RIP RAP IN PLACE 6 TON 71 - DELETED 72 - DELETED STREAM AND WETLAND CONSTRUCTION 73 - DELETED LOG ON-SITE 2 EA LOG IMPORTED, 12 FT FT 2 EA LOG IMPORTED, 25 FT - 50 FT 2 EA FIELD STONE BOULDER A - EXTRA LARGE 4 TON B - LARGE 5 TON C - MEDIUM 5 TON D - SMALL 7 TON GRANITE QUARRY STONE BOULDER A - EXTRA LARGE 2 TON B - LARGE 3 TON C - MEDIUM 3 TON D - BOULDER, SMALL 6 TON RIVER COBBLE A - BULK 6 TON B - BAGGED 6,000 LB RIFFLE ROCK A - BULK 4.8 TON B - BAGGED 9,600 LB RIVER PEBBLE A - BULK 3.25 TON B - BAGGED 3,250 LB

11 RP Revised 12/06/18 Page GROUT FOR INSTREAM STRUCTURES 25 CF STONE TOE PROTECTION & BENDWAY WEIR 640 TON ROOT WAD REVETMENT 20 LF CROSS-VANE A - EXTRA LARGE 133 LF B - LARGE 208 LF C - MEDIUM 323 LF D - SMALL 225 LF J-HOOK VANE A - EXTRA LARGE 50 LF B - LARGE 70 LF C - MEDIUM 113 LF D - SMALL 83 LF BOULDER VANE A - EXTRA LARGE 4 LF B - LARGE 8 LF C - MEDIUM 8 LF D - SMALL 15 LF J-HOOK LOG VANE A - EXTRA LARGE 63 LF B - LARGE 90 LF C - MEDIUM 131 LF D - SMALL 86 LF LOG VANE A - EXTRA LARGE 5 LF B - LARGE 6 LF C - MEDIUM 11 LF D - SMALL 6 LF STEP POOL SERIES A - EXTRA LARGE 70 LF B - LARGE 110 LF C - MEDIUM 180 LF D - SMALL 120 LF

12 RP Revised 12/06/18 Page LOG SILL A - EXTRA LARGE 6 LF B - LARGE 7 LF C - MEDIUM 6 LF D - SMALL 11 LF CONSTRUCTED RIFFLE - WITH SILLS 9 TON CONSTRUCTED RIFFLE 612 TON TOE WOOD PROTECTION 10 SY LIVE FASCINE 125 LF STONE CASCADE A - EXTRA LARGE 8 TON B - LARGE 10 TON C - MEDIUM 18 TON D - SMALL 6 TON SOIL ENCAPSULATED LIFTS (SEL), WITHOUT COIR BLOCK A - 5.5' TAIL 450 LF B - 4' TAIL 450 LF SOIL ENCAPSULATED LIFTS (SEL), WITH COIR BLOCK A - 5.5' TAIL 50 LF B - 4' TAIL 50 LF STORMWATER OUTFALL STEPS 10 LF LABOR RATES FOREMAN A - HALF DAY 15 EA B - FULL DAY 8 EA LABORER A - HALF DAY 60 EA B - FULL DAY 30 EA SURVEYOR A - CREW HALF DAY 5 EA B - CREW FULL DAY 2 EA TECHNICAL LABORER A - HALF DAY 10 EA B - FULL DAY 5 EA

13 RP Revised 12/06/18 Page 21 SITE RESTORATION AND LANDSCAPING ASPHALT PAVING RESURFACING 200 TON CONCRETE UNIT PAVING 100 SY PERVIOUS CONCRETE PAVING 100 CY CURB AND GUTTER A - HIGH BACK, 6" X 24" X 12" 10 LF B - HIGH BACK, 6" X 30" X 12" 10 LF C - ROLL BACK, 6" X 24" X 10" 10 LF SIDEWALK 10 SY CHAIN LINK FENCE A - 4-FT HEIGHT 80 LF B - 6-FT HEIGHT 55 LF SPLIT RAIL FENCE A - 2 RAIL FENCE 60 LF B - 3 RAIL FENCE 60 LF WOODEN PRIVACY FENCE A - 6-FT HEIGHT 100 LF B - 8-FT HEIGHT 40 LF DECORATIVE FENCE A - 6-FT HEIGHT 20 LF B - 8-FT HEIGHT 10 LF WELDED WIRE FENCING 100 LF CHICKEN WIRE FENCING 100 LF FENCE REMOVAL 100 LF BOLLARDS, STEEL 5 EA SEGMENTAL WALL A - MODULAR BLOCK FACE 60 SF B - PERMANENT FIELDSTONE FACE 60 SF SOIL AMENDMENTS A - LIME 10,000 LB B - SAWDUST 50 LB C - PEAT 50 LB D - FERTILIZER 240 LB E - SAND 250 LB

14 RP Revised 12/06/18 Page 22 F - PERLITE 100 CF G - DOLOMITE 100 LB H - GYPSUM 100 LB DELETED DELETED DELETED DELETED COMPOST MULCH A - BLOWN 50 CY B - HAND PLACED 15 CY PLANTING SOIL MIXES 20 CY TILLING 5,000 SY TOPSOIL A - BULK 30 TON B - BAGGED 4,000 LB HAND GRADING 1,000 SY SAND FILL 75 CY GRASS SEEDING A - NATIVE UPLAND 4,000 SY B - NATIVE WETLAND 4,000 SY C - ORNAMENTAL 2,000 SY D - CUSTOM 2,000 SY TURF GRASS SEEDING A - STANDARD VARIETIES 3,000 SY B - PREMIUM VARIETIES 1,600 SY HYDROSEEDING A - STANDARD TURF GRASS VARIETIES 1,200 SY B - PREMIUM TURF GRASS VARIETIES 1,200 SY C - NATIVE UPLAND 1,200 SY D - NATIVE WETLAND 1,200 SY E - ORNAMENTAL 300 SY F - CUSTOM 300 SY TURF GRASS SODING A - STANDARD VARIETIES 1,000 SY

15 RP Revised 12/06/18 Page 23 B - PREMIUM VARIETIES 1,000 SY STRAW MULCH A - WHEAT STRAW BALES 10 EA B - PINE STRAW BALES 10 EA WOOD MULCH A - HARD WOOD, COARSE GROUND 50 CY B - HARD WOOD, DOUBLE GROUND 50 CY C - SOFT WOOD, COARSE GROUND 25 CY D - SOFT WOOD, DOUBLE GROUND 25 CY LIVE STAKE 600 EA LIVE WHIP 200 EA LIVE POLE 100 EA PLANT PROTECTION 100 EA CALIPER TREES A - ½-INCH 15 EA B - 1-INCH 50 EA C - 2-INCH 80 EA D - 3-INCH 15 EA CONTAINER PLANTINGS A - 1-PINT 150 EA B - 1-QUART 150 EA C QUART 150 EA D - 1-GALLON 400 EA E - 3-GALLON 400 EA F - 5-GALLON 400 EA G - 7-GALLON 150 EA LIVE PLANTINGS A - FLOWER BULBS 100 EA B - PLUGS 300 EA C - BARE ROOT SEEDLINGS 250 EA LANDSCAPE EDGING BARRIER A - METAL 20 LF B - PLASTIC 20 LF C - WOOD 20 LF

16 RP Revised 12/06/18 Page TREE BAGS 5 EA INVASIVE SPECIES PHYSICAL REMOVAL A - CREW HALF DAY 2 EA B - CREW FULL DAY 1 EA HERBICIDE APPLICATION 2,000 SY PESTICIDE, LICENSED APPLICATION 2,000 SY PIPING SYSTEMS SANITARY SEWER PIPE 0'-10' DEPTH OF COVER A - 4-INCH DIAMETER, SOLID WALL PVC 20 LF B - 6-INCH DIAMETER, SOLID WALL PVC 20 LF C - 8-INCH DIAMETER, SOLID WALL PVC 20 LF D - 4-INCH DIAMETER, DUCTILE IRON 20 LF E - 6-INCH DIAMETER, DUCTILE IRON 20 LF F - 8-INCH DIAMETER, DUCTILE IRON 20 LF PVC SCHEDULE 40 PIPE 0'-10' DEPTH OF COVER A - 4-IN DIAM, SOLID WALL 60 LF B - 4-IN DIAM, SLOTTEDWALL 60 LF ALUMINUM COATED CORRUGATED STEEL PIPE, 0'-10' DEPTH OF COVER A - 18-IN - 36-IN DIAMETER 10 LF B - 42-IN - 72-IN DIAMETER 10 LF C - 78-IN - 96-IN DIAMETER 10 LF CORRUGATED POLYMER PRECOAT STEEL PIPE, 0'-10' DEPTH OF COVER A - 18-IN - 36-IN DIAMETER 10 LF B - 42-IN - 72-IN DIAMETER 10 LF C - DELETED CORRUGATED ALUMINUM ALLOY PIPE 0'-10' DEPTH OF COVER A - 18-IN - 36-IN DIAMETER 10 LF B - 42-IN - 72-IN DIAMETER 10 LF C - DELETED RCP PIPE ANY CONFIGURATION 0'-10' DEPTH OF COVER A - 18-IN -24-IN DIAMETER 16 LF B - 30-IN - 36 IN DIAMETER 16 LF C - 42-IN - 48-IN DIAMETER 16 LF D - 54-IN - 60-IN DIAMETER 16 LF

17 RP Revised 12/06/18 Page A - B HDPE PIPE 0'-10' DEPTH OF COVER 4-IN - 8-IN DIAM, CORRUGATED SINGLE WALL 4-IN 8-IN DIAM, SLOTTED, CORRUGATED SINGLE WALL HDPE DOUBLE WALL 0'-10' DEPTH OF COVER 16 LF 16 LF A - 12-IN DIAMETER 16 LF B - 18-IN - 24-IN DIAMETER 16 LF C - 30-IN - 36-IN DIAMETER 16 LF D - 42-IN - 48-IN DIAMETER 16 LF E - 54-IN - 60-IN DIAMETER 16 LF CONCRETE FLARED END S A - 18-IN - 24-IN DIAMETER STANDARD 2 EA B - 30-IN - 36 IN DIAMETER STANDARD 2 EA C - 42-IN - 48-IN DIAMETER - STANDARD 2 EA D - 54-IN - 60-IN DIAMETER STANDARD 2 EA E - 18-IN - 24-IN DIAMETER SAFETY TYPE 2 EA F - 30-IN - 36 IN DIAMETER SAFTEY TYPE 2 EA G - 42-IN - 48-IN DIAMETER SAFETY TYPE 2 EA H - 54-IN - 60-IN DIAMETER SAFETY TYPE 2 EA DELETED A - DELETED B - DELETED C - DELETED D - DELETED E - DELETED F - DELETED CONCRETE FLUME 10 CY CONCRETE FLUME WITH STONE INLAY 10 CY HEADWALL, VARIOUS PIPE SIZES A - PRECAST HEADWALL FOR 18" - 36" PIPE 1 EA B - PRECAST HEADWALL FOR 42" - 72" PIPE 1 EA C - DELETED D - DELETED E - ROCK HEADWALL FOR 18" - 36" PIPE 1 EA F - ROCK HEADWALL FOR 42" - 72" PIPE 1 EA

18 RP Revised 12/06/18 Page BRICK CATCH BASIN A - GROUP 1 (GADOT 1033 / 1034) 5 VF B - GROUP 2 (GADOT 1033 / 1034) 5 VF PVC DROP INLET, UP TO 6' HEIGHT A - B - C - D - E - F - G - 12-IN (SOLID LID, FLAT GRATE, OR DOMED GRATE) - H20 RATED 15-IN (SOLID LID, FLAT GRATE, OR DOMED GRATE) - H20 RATED 18-IN (SOLID LID, FLAT GRATE, OR DOMED GRATE) - H20 RATED 24-IN (SOLID LID, FLAT GRATE, OR DOMED GRATE) - H20 RATED 30-IN (SOLID LID, FLAT GRATE, OR DOMED GRATE) - H20 RATED 24-IN WITH STAINLESS STEEL WEIR (SOLID LID, FLAT GRATE, OR DOMED GRATE) - H20 RATED 30-IN WITH STAINLESS STEEL WEIR (SOLID LID, FLAT GRATE, OR DOMED GRATE) - H20 RATED PRECAST CATCH BASIN 1 EA 1 EA 1 EA 1 EA 1 EA 1 EA 1 EA A - GROUP 1 (GADOT 1033 / 1034) 5 VF B - GROUP 2 (GADOT 1033 / 1034) 5 VF REPLACEMENT TOP FOR 1033/ EA BRICK MANHOLE A - TYPE 1 (GADOT 1011A) 5 VF B - TYPE 2 (GADOT 1011A) 5 VF PRECAST MANHOLE A - TYPE 1 (GADOT 1011A) 5 VF B - TYPE 2 (GADOT 1011A) 5 VF MANHOLE COVERS A - TRAFFIC RATED 1 EA B - NON-TRAFFIC RATED 1 EA BRICK DROP INLET A - GROUP 1 (GADOT 1019A) 5 VF B - GROUP 2 (GADOT 1019A) 5 VF C - GROUP 1 (GWINNETT P&D 610) 5 VF D - GROUP 2 (GWINNETT P&D 610) 5 VF E - GROUP 1 (GADOT 9031S/9031D) 5 VF F - GROUP 2 (GADOT 9031S/9031D) 5 VF PRECAST DROP INLET A - GROUP 1 (GADOT 1019A) 5 VF

19 RP Revised 12/06/18 Page 27 B - GROUP 2 (GADOT 1019A) 5 VF C - GROUP 1 (GWINNETT P&D 610) 5 VF D - GROUP 2 (GWINNETT P&D 610) 5 VF E - GROUP 1 (GADOT 9031S/9031D) 5 VF F - GROUP 2 (GADOT 9031S/9031D) 5 VF REPLACEMENT TOP A - FOR DI 610, WITH RING & COVER 1 EA B - FOR DI 1019A, WITH FRAME & GRATE 1 EA C - FOR DI 9031S/9031D, WITH STEEL PLATE 1 EA TIE IN TO EXISTING STRUCTURES 5 EA ROADWAY AND PAVEMENT RESTORATION STREET CUT A - GWINNETT DOT DETAIL A 20 SY B - GWINNETT DOT DETAIL B 20 SY C - GWINNETT DOT DETAIL C 10 SY D - GWINNETT DOT DETAIL D 10 SY DRIVEWAY/PARKING AREA RESTORATION A - 6-INCH THICK CONCRETE 25 SY B - 8-INCH THICK CONCRETE 16 SY UNIT PRICE TOTAL $

20 RP Revised 12/06/18 Page 28 Bidder has examined Bid Document Package and following addenda: No. Dated No. Dated No. Dated No. Dated Gwinnett County requires pricing to remain firm for the duration of the initial term of the contract. Failure to hold firm pricing for the initial term of the contract will be sufficient cause for Gwinnett County to declare bid non-responsive. Contract to begin Unless otherwise noted, bid prices will remain firm for four (4) additional years. If a percentage increase/decrease will be a part of this bid, please note this in the space provided together with an explanation. Below, select + or -. 1 st Renewal Option + / - % 2 nd Renewal Option + / - % 3 rd Renewal Option + / - % 4 th Renewal Option + / - % Termination for Cause: The County may terminate this agreement for cause upon ten days prior written notice to the contractor of the contractor s default in the performance of any term of this agreement. Such termination shall be without prejudice to any of the County s rights or remedies by law. Termination for Convenience: The County may terminate this agreement for its convenience at any time upon 30 days written notice to the contractor. In the event of the County s termination of this agreement for convenience, the contractor will be paid for those services actually performed. Partially completed performance of the agreement will be compensated based upon a signed statement of completion to be submitted by the contractor, which shall itemize each element of performance. Certification Of Non-Collusion In Bid Preparation Signature Date In compliance with the attached specifications, the undersigned offers and agrees, if this quote is accepted by the Board of Commissioners within ninety (90) days of the date of quote opening, to furnish any or all of the items upon which prices are quoted, at the price set opposite each item, delivered to the designated point(s) within the time specified in the quote schedule. By submission of this bid, I understand that Gwinnett County uses Electronic Payments for remittance of goods and services. Vendors should select their preferred method of electronic payment upon notice of award. For more information on electronic payments, please refer to the Electronic Payment information in the instructions to bidders. Legal Business Name Federal Tax ID Complete Address Does your company currently have a location within Gwinnett County? Yes No Representative Signature Printed Name Telephone Number address

21 DECEMBER 6, 2018 QUESTIONS AND RESPONSES 1 WATERSHED IMPROVEMENTS ON AN ANNUAL CONTRACT GWINNETT COUNTY DEPARTMENT OF WATER RESOURCES RP Q1: On line items priced by crew half day and crew full day, what is the size requirement for the crew? (Lines 30, 33, 34, 133) R1: DWR assumes a minimum crew of three people. See Addendum No. 3. Q2: On lines 19-26, rock prices are bulk and bagged. Can the contractor bag rock themselves? What bag weight is required? R2: Given the variety of projects that may be performed under this contract, smaller quantities of stone may be utilized for some tasks. This was intended to facilitate commercially bagged product for small projects. DWR does not expect the contractor to bag their own rock. See Section , Paragraph 1.7. See Addendum No. 3. Q3: Are the line items for rock to be bagged due to the equipment inaccessibility of the areas for rock to be placed? R3: See response to Question 2. Q4: 1. Will pump-around be incidental to the project, or will a line item be added to the Fee Schedule? 2. Will there be variables for different pump sizes needed due to differing stream velocities? R4: 1. See Section , Paragraph 4.1.A. 2. No. Q5: On line item 17, D and E seem to be the same. Are they? R5: Duplicate error. See revised Fee Schedule attached to Addendum No. 3. Q6: Can you clarify Single axle, Multi axle, and tracked dump truck in what square or cubic yards you are looking for in payment? R6: The line items are based on truck axles not volume. Q7: Can paving be separated from milling and full depth pavement as some sites require more of another and full depth is not always needed?

22 RP Questions and Responses No. 1 Page - 2 R7: See Section , Paragraph 4.1. Q8: Is anything larger than a cul de sac or road crossing expected as size really determines paving trips and depths? R8: No. Q9: How is the determination of trees made under 12 for payment? Can you add pay items 6-12 and use grubbing for 6 or less? R9: Trees under 12 inches will be removed under clearing and grubbing. No line item will be added regarding such tree removal. Q10: How will jobs be determined as in will the contractor be handed a set of plans and provide an estimate for the items he has in his contract bid price or will each job have an estimate provided with scope? R10: Either option may be used depending on the project. Q11: How many jobs and size is expected so we know how to determine NPDES pricing for the year? R11: The quantity, size, and type of projects will vary from year to year. Q12: What is the budget for each year? R12: This will be determined year by year. Q13: Will each job need to be surveyed? R13: Survey requirements will vary by project. Q14: On as builts during a monthly billing period, will the contractor perform as built for progress payments or will this need to be done by the surveyor as this can really slow down the project for payment purposes? R14: See Section Q15: Can you provide an example sheet showing requirement grades for an as built for stream projects. R15: No, but see Section , Paragraph 3.2. Q16: How can the determination made on cutting trees down on Selective Tree removal on Half Day or Full Day? Can you please clarify these 2 line items? R16: DWR intends to pay for tree removal based on tree size for most projects. There are times when project complexity as determined by DWR requires extra effort and in those cases DWR may allow the Contractor to bill on a half day or full day rate.

23 RP Questions and Responses No. 1 Page - 3 Q17: Some projects are ft in length and loads and may have to be moved back and forth in this distance for backfill by truck or machinery. Is it our understanding that no matter the size of project we are responsible for allowing cost to transport this material whether it be by dump truck or machinery at any distance. R17: Correct. Q18: Will material being excavated under backfilling and excavation be paid also again as backfill later or is it assumed its paid half for excavation and half for backfilling? The fill is stockpiled and used as the job progresses so not too much is hauled offsite so costing is important. R18: See Section , Paragraph 4.1.A.1. Q19: If the site has no storage area will the contractor be paid for hauling material offsite and paid for bring it back? R19: No. Q20: Under Section Pipe Bedding. States - Bedding material when required under this contract shall be placed in the bottom of the trench after the same has been excavated. When would bedding not be required under Gwinnett County specifications for pricing clarifications? R20: Assume bedding is always required for pipe installation. Q21: Will the county be providing soil testing? R21: Soil testing is an overly broad term. See Section , in particular Articles 1.9 and Testing which is the responsibility of GCDWR will be performed by GCDWR on-call contractors. However, testing for soil amendments is the responsibility of the RP contractor. Q22: How will testing be handled for trench cuts? R22: It is unclear what is being asked. See response to Question 21. Q23: Under , Paragraph 1.2.B. it is stated that no flow over 8 fps will be allowed to be discharged. Can you clarify the maximum base flow that we will have to handle as it is assumed that no project will be given to the contractor over that amount? This will allow the contractor to estimate cost of a by-pass size pump that needs to run 24 hrs, 7 days a week in his budget. R23: The 8 fps requirement is maximum allowable to prevent erosion of the channel. It is not related to base flow. Specific base flow for each project can vary. Q24: Is it assumed during wet conditions since no discharge can be allowed over 8 fps will days be allocated to his time that he cannot work?

24 RP Questions and Responses No. 1 Page - 4 R24: See response to Question 23. Weather delays are addressed in the Section Supplementary Conditions to the EJCDC C-700 Standard General Conditions of the Construction Contract With Gwinnett County DWR Modifications , Section SC Delays. Q25: Under Section Pond Sediment Removal. Can you change the item to the 2 different lines in the specifications? subaqueous removal, traditional surface excavation and removal R25: See revised Fee Schedule attached to Addendum No. 3. Q26: Under Section Will a stream bypass that includes a pipe be included in this cost of the stream crossing or paid under the pipe linear foot line items? R26: See Section , Paragraph Measurement and payment will be determined by volume of rock in place; any pipe will be incidental to the stream crossing. Q27: Under this contract is it assumed that we will be doing repairs as some line item are small and going out to grout a structure or add some trees or plant would not be cost efficient to the contractor? Can a line item be added for Mobilization? R27: Half day and full day rates are provided for small tasks. Mobilization is assumed to be incidental. See Section , Article 1.1, Paragraph C. Q28: Under Stream Structures it shows 12 of Rip Rap. We recommend that this be changed to 18 to 24 as this size of rock is alone, one piece is 12. This seem hard to accomplish at this rate. R28: Specification Sections through have provisions under Part 3: EXECUTION stating that approved material shall be placed in a maximum of 12-inch lift. Corresponding Details have varying ranges of rip rap subgrade based upon contract documents. Q29: Under Section Sheet piling. Can you add respective line items in the specifications for steel and vinyl sheet piling? R29: No change. Q30: Can you add a line item for a cofferdam? R30: No change. Q31: Can you provide a detail for the brick headwall? R31: Deleted. See revised Unit Price Fee Schedule. Q32: Can you clarify or add line items for manhole covers for traffic rated or outside the curb?

25 RP Questions and Responses No. 1 Page - 5 R32: Pay Items separated. See Addendum No. 3. Q33: On tying to exist structures is this for each pipe that connects the same structure? R33: Yes. Q34: Under , Paragraph 3.1.D. It states - When directed by GCDWR, the Contractor shall backfill the entire excavation under a paved surface with aggregate material as specified in Section Aggregates for Earthwork as selected by GCDWR. According to GC DOT Utility Cuts attachment provided the excavation is always backfilled with stone. Please clarify R34: Backfill will be selected by GCDWR as appropriate Q35: There are guard rail specifications included. Can you please add respective items for handling each described and striping? R35: Specification deleted by Addendum No. 3. Q36: Under , Part 4.1 B. is it to be understood that the contractor is responsible to any depth or means to get compaction at his own cost? Can line items not be utilized for this work? R36: No change. Q37: Under , Part 4.3. Will driveways have wire mesh or GAB applied and be of 3,000 psi? R37: See Addendum No. 3. Q38: Some residents require to match existing driveways whether it be wire mesh, stone inlay, fiber mesh. Is it also assumed that quotes for these special customers will be case by case approvals with estimates? R38: See Response to Question 37. Pricing shall be for standard driveways. Q39: Under Section segmental wall specifications will an engineered drawing and permits be required for these walls? R39: Yes. Q40: Under Section 3.15 The additional excavation being authorized to be done. How will this be paid for each instance as it may not need to be hauled off and can be used on site? R40: Refer to measurement and payment for Q41: Can the bid date be extended beyond the current Tuesday November 27th date which is the week immediately following the Thanksgiving Holiday?

26 RP Questions and Responses No. 1 Page - 6 R41: See Addendum No. 1. Q42: We do a lot of this type of work and just noticed there were no line items for the following: 1. By Pass Pumping 2. Traffic Control (Major and Minor) 3. Mobilization 4. Steel Plates 5. TV Inspection of Storm Lines 6. Roll off dumpsters 7. Saw cutting R42: Responses Part 4 declares this to be incidental work Part 4 makes this incidental work makes this incidental work Part 4 makes this incidental work 5. Incidental 6. Incidental none expected Q43: Fish Stocking Signage is listed as a per lb unit. Is that correct? I am not that familiar with that line item. R43: No reference to the fish stocking signage item is found in the RFP documents. Q44: Is every bidder required to price every line item? Or can we leave some blank? R44: Every line item must be priced or proposal may be considered non-responsive.