2017 Manhole Rehabilitation CONTRACT NO ADDENDUM NUMBER ONE

Transcription

1 Department of Aviation Airport Office Building 8500 Peňa Boulevard Denver, Colorado (303) May 9, Manhole Rehabilitation TRACT NO ADDNDM NMBR ON This Addendum Number One supersedes and/or supplements all portions of the Contract Documents with which it conflicts. Bidders must acknowledge receipt of this addendum on Page 28 of the Revised Bid Forms. Irene Chhor Project Manager

2 D N V R I N T R N A T I O N A L A I R P O R T 207 MANHOL TRACT NO ADDNDM NMBR ON Scope of this Addendum Addendum Number One includes modifications to the following Contract Documents issued May 0, 207. These modifications are deemed necessary by the City and County of Denver. PART TWO, VOL. 3 - DRAWINGS The drawings outlined herein are being re-issued for bidding purposes as noted below. Sheet No. CP- Sheet No. CP-2 Sheet No. SP- Sheet No. SP-2 Sheet No. SP-3 Sheet No. SP-4 The total number of pages (including cover sheet) contained in this Addendum Number One is eight (8). * * * * * * * nd of Addendum Number One.

3 NO PARKING CITY & TY of DNVR DNVR INTRNATIONAL B33 GRN TAXILAN TYPICAL AIRCRAFT GAT WORK DTAIL NOTS. TH TRACTOR SHALL COMPLY WITH ALL GNRAL NOTS AND SAFTY NOTS (SHT G-2) FOR WORK WHICH IS TO TAK PLAC WITHIN TH DN AOA. 2. TH TRACTOR SHALL COMPLY WITH ALL RQIRMNTS OTLIND IN FAA ADVISORY CIRCLAR (AC) 50/ (CRRNT DITION) FOR WORK WHICH IS TO TAK PLAC ON AIRFILD RAMP PAVMNTS. NO STRCTION ACTIVITY MAY TAK PLAC WITHIN TH TAXILAN OBJCT FR ARA (OFA), WHIL TH PAVMNT IS OPN TO AIRCRAFT OPRATIONS. S SHT CP- FOR TH TYPICAL TAXILAN CLOSR DTAILS FOR PRTINNT RQIRMNTS FOR WORK WITHIN TH A LIMITS. 07' 60' TAXIWAY M9 07' 60' OTR DIW TRNCH DRAIN WORK INSID OF, OR WITHIN 20-FT OF, TH AIRCRAFT PARKING SAFTY PROFIL MARKING WILL RQIR CLOSR OF TH AIRCRAFT GAT. NIGHT WORK MAY B RQIRD FOR THIS WORK, AS DICTATD BY TH DN PM. TRACTOR SHALL COORDINAT WITH TH DN PM IN ADVANC OF PRFORMANC OF TH WORK ADJACNT TO AIRCRAFT GATS ON AIRCRAFT RAMPS, IN ORDR THAT TH DN PM CAN COORDINAT WITH TH APPROPRIAT AIRLIN TO SCHDL TH WORK. TRACTOR SHALL INSTALL A SCR PRIMTR OF LOW-PROFIL BARRICADS AND STRCTION DLINATOR S AROND TH WORK IMPACT ARA, NOT TO XCD 0-FOOT SQAR, IN ACCORDANC WITH SHT CP-3 DTAIL 2. FLPIT B-33A FLPIT B-33B AIRCRAFT PARKING SAFTY PROFIL MARKING TRACTOR SHALL COVR ALL XCAVATIONS, TRNCHS, OPN PITS, AND RPLAC ALL STRCTR LIDS, PON COMPLTION OF ACH WORK SHIFT. TYPICAL TAXIWAY OR TAXILAN WORK DTAIL NOTS. TH TRACTOR SHALL COMPLY WITH ALL GNRAL NOTS AND SAFTY NOTS (SHT G-2) FOR WORK WHICH IS TO TAK PLAC WITHIN TH DN AOA. 2. TH TRACTOR SHALL COMPLY WITH ALL RQIRMNTS OTLIND IN FAA ADVISORY CIRCLAR (AC) 50/ (CRRNT DITION) FOR WORK WHICH IS TO TAK PLAC ADJACNT TO AIRFILD PAVMNTS. NO STRCTION ACTIVITY MAY TAK PLAC WITHIN TH TAXIWAY/TAXILAN OBJCT FR ARA (OFA), WHIL TH PAVMNT IS OPN TO AIRCRAFT OPRATIONS. SAFTY ARA (SA) AND OBJCT FR ARA (OFA) CLARANC WIDTHS VARY THROGHOT TH AOA FOR TH VARIOS AFFCTD TAXIWAYS, TAXILANS, AND AIRCRAFT APRONS. SAFTY ARA WIDTHS (SAW) AND OBJCT FR ARA WIDTHS SHOW IN TABL OF THIS SHT AR TYPICAL AND FOR TH TRACTOR'S RFRNC ONLY. TH TRACTOR SHALL COORDINAT WITH TH DN PM TO IDNTIFY TH SPCIFIC SA AND OFA BONDARIS FOR ALL AIRFILD PAVMNT, PRIOR TO COMMNCING WITH WORK ADJACNT TO THS PAVMNTS. WORK WHICH IS RQIRD TO TAK PLAC WITHIN TH OFA SHALL B COORDINATD WITH TH DN PM, IN ADVANC OF COMMNCING WITH STRCTION ACTIVITIS, AND WILL RQIR CLOSR OF TH AFFCTD TAXIWAY/TAXILAN. TH TRACTOR SHALL INSTALL ALL RQIRD CLOSR LMNTS (LOW-PROFIL BARRICADS, PAVMNT MARKINGS, DG-LIGHT COVRS, BLANK SIGN FACS, TC.), AS DIRCTD BY TH DN PM, AND SHALL SIDR THIS WORK AS INCIDNTAL TO TH SAG MANHOL ITM. DN MAY PROVID, AT THIR DISCRTION, AN SCORT TO PROVID ACCSS TO THS ARAS AND OVRS THAT TH WORK TAKS PLAC IN COMPLIANC WITH DN AOA STANDARDS AND THOS CITD ABOV. TH TRACTOR SHALL B PRPARD TO D-MOBILIZ ALL STRCTION ACTIVITY IMMDIATLY, PON NOTIFICATION BY DN, IN ORDR TO R-OPN AIRFILD PAVMNTS TO AIRCRAFT OPRATIONS. VANDRIVR STRT ADG IV OFA (259 FT) ADG IV SA (7 FT) 29.5' 85' TAXIW AY L 85' ADG IV SA (7FT) 29.5' ADG IV OFA (259 FT) ISS RCORD TABL - TAXIWAY SAFTY ARA AND OBJCT FR ARA CR2-7 A W SAG DAT SAG MH TO B RHABILITATD 07' 60' 07' 60' CHCKD BY: L HAGN S NOT 4 TAXIWAY C WORK BRAKDOWN NO. NTS PP-0 TYPICAL AIRCRAFT GAT WORK 2 NTS PP-0 TYPICAL TAXIWAY OR TAXILAN WORK DSIGN TRACT NO TO2 ST. TRACT NO VOLM NO. SHT TITL CLOSR LAYOT PLANS SHT NO. CP- 34OF CADD FIL NO. SM05-D-CP00.dgn

4 CITY & TY of DNVR DNVR INTRNATIONAL TYPICAL INFILD ARA WORK NOTS. TH TRACTOR SHALL COMPLY WITH ALL GNRAL NOTS AND SAFTY NOTS (SHT G-2) FOR WORK WHICH IS TO TAK PLAC WITHIN TH DN AOA. 2. TH TRACTOR SHALL COMPLY WITH ALL RQIRMNTS OTLIND IN FAA ADVISORY CIRCLAR (AC) 50/ (CRRNT DITION) FOR WORK WHICH IS TO TAK PLAC ADJACNT TO AIRFILD PAVMNTS. NO STRCTION ACTIVITY MAY TAK PLAC WITHIN TH TAXIWAY/TAXILAN OBJCT FR ARA (OFA), WHIL TH PAVMNT IS OPN TO AIRCRAFT OPRATIONS. S SHT CP- FOR TH TYPICAL TAXIWAY OR TAXILAN CLOSR DTAIL FOR PRTINNT RQIRMNTS FOR WORK WITHIN TH OFA LIMITS. TRACTOR SHALL INSTALL A SCR PRIMTR OF STRCTION DLINATOR PR DTAIL 5 ON SHT CP-3 AROND TH WORK IMPACT ARA, NOT TO XCD 0-FOOT SQAR, INCLDING LIGHTD STRCTION DLINATOR S FOR NIGHTTIM VISIBILITY. TRACTOR SHALL COVR ALL XCAVATIONS, TRNCHS, OPN PITS, AND RPLAC ALL STRCTR LIDS, PON COMPLTION OF ACH WORK SHIFT. OPN TRNCHS OR XCAVATIONS AR NOT PRMITTD WITHIN TH SAFTY ARA OF ADJACNT AIRFILD PAVMNTS. RMDIATION SHALL TAK PLAC IN ACCORDANC WITH FAA AC 50/5370-2F, SCTION 22.C(4). S TABL ON SHT CP- FOR TH APPLICABL TAXIWAY SAFTY ARA AND OBJCT FR ARA LIMITS. 60' 60' 07' 07' TAXIWAY WC ISS RCORD S NOT 3 DAT CHCKD BY: L HAGN WORK BRAKDOWN NO. DSIGN TRACT NO TO2 ST. TRACT NO VOLM NO. SHT TITL CLOSR LAYOT PLANS NTS --- TYPICAL INFILD ARA WORK SHT NO. CP-2 35OF CADD FIL NO. SM05-D-CP002.dgn

5 NOTS:. MANHOL SMMARY SHTS AR PROVIDD FOR RFRNC ONLY AND PROVID ADDITIONAL INFORMATION ON TH WORK TO B PRFORMD AT ACH MANHOL. IN TH VNT OF A DISCRPANCY ON TH WORK BTWN TH MANHOL SMMARY SHT AND TH INDIVIDAL MANHOL INSPCTION SHTS, TH MANHOL INSPCTION SHT SHALL TAK PRCDNC. CITY & TY of DNVR DNVR INTRNATIONAL 2. TH MANHOLS IDNTIFID AS GARDI AR SBJCT TO COMPLTION NDR SPARAT TRACT AND TH QANTITIS CAN B DLTD OR ALTRD AT DN S DISCRTION AND NO ADJSTMNT TO TH NIT PRICING IS D TO TH TRACTOR. QANTITIS WR CALCLATD BASD ON TH FILD DATA AND AR APPROXIMAT. COMPLT MANHOL INCLDS OF TH CHIMNY, CORBL, WALL, BNCH, AND TROGH, AND DRILLING AND GROTING PRCAST JOINTS. INTRIOR FRAM SALS AR NOT RQIRD WHN TH MANHOL IS IDNTIFID FOR COMPLT MANHOL. XISTING SRFAC DITION "CRT" LOCATD AIRSID IS A CRT SRFAC, BT NOT AIRFILD CRT PANL SRFAC. CRT RPLACD AIRSID IS PR AIRFILD SPCIFICATION. 6. FOR OBJCT FR ARA - CRT COLLAR NIMPROVD SRFAC RSTORATION, S 2 DT-7 ISS RCORD DAT CHCKD BY: L HAGN WORK BRAKDOWN NO. DSIGN TRACT NO TO2 ST. TRACT NO VOLM NO. SHT TITL MANHOL SMMARY SHT NO. SP- 29OF CADD FIL NO. SM05-D-SP00_207.dgn

6 NOTS:. MANHOL SMMARY SHTS AR PROVIDD FOR RFRNC ONLY AND PROVID ADDITIONAL INFORMATION ON TH WORK TO B PRFORMD AT ACH MANHOL. IN TH VNT OF A DISCRPANCY ON TH WORK BTWN TH MANHOL SMMARY SHT AND TH INDIVIDAL MANHOL INSPCTION SHTS, TH MANHOL INSPCTION SHT SHALL TAK PRCDNC. 2. TH MANHOLS IDNTIFID AS GARDI AR SBJCT TO COMPLTION NDR SPARAT TRACT AND TH QANTITIS CAN B DLTD OR ALTRD AT DN S DISCRTION AND NO ADJSTMNT TO TH NIT PRICING IS D TO TH TRACTOR. QANTITIS WR CALCLATD BASD ON TH FILD DATA AND AR APPROXIMAT. CITY & TY of DNVR DNVR INTRNATIONAL COMPLT MANHOL INCLDS OF TH CHIMNY, CORBL, WALL, BNCH, AND TROGH, AND DRILLING AND GROTING PRCAST JOINTS. INTRIOR FRAM SALS AR NOT RQIRD WHN TH MANHOL IS IDNTIFID FOR COMPLT MANHOL. XISTING SRFAC DITION "CRT" LOCATD AIRSID IS A CRT SRFAC, BT NOT AIRFILD CRT PANL SRFAC. CRT RPLACD AIRSID IS PR AIRFILD SPCIFICATION. 6. FOR OBJCT FR ARA - CRT COLLAR NIMPROVD SRFAC RSTORATION, S 2 DT-7 ISS RCORD DAT CHCKD BY: L HAGN WORK BRAKDOWN NO. DSIGN TRACT NO TO2 ST. TRACT NO VOLM NO. SHT TITL MANHOL SMMARY 2 SHT NO. SP-2 30OF CADD FIL NO. SM05-D-SP002_207.dgn

7 NOTS:. MANHOL SMMARY SHTS AR PROVIDD FOR RFRNC ONLY AND PROVID ADDITIONAL INFORMATION ON TH WORK TO B PRFORMD AT ACH MANHOL. IN TH VNT OF A DISCRPANCY ON TH WORK BTWN TH MANHOL SMMARY SHT AND TH INDIVIDAL MANHOL INSPCTION SHTS, TH MANHOL INSPCTION SHT SHALL TAK PRCDNC. CITY & TY of DNVR DNVR INTRNATIONAL 2. TH MANHOLS IDNTIFID AS GARDI AR SBJCT TO COMPLTION NDR SPARAT TRACT AND TH QANTITIS CAN B DLTD OR ALTRD AT DN S DISCRTION AND NO ADJSTMNT TO TH NIT PRICING IS D TO TH TRACTOR. QANTITIS WR CALCLATD BASD ON TH FILD DATA AND AR APPROXIMAT. COMPLT MANHOL INCLDS OF TH CHIMNY, CORBL, WALL, BNCH, AND TROGH, AND DRILLING AND GROTING PRCAST JOINTS. INTRIOR FRAM SALS AR NOT RQIRD WHN TH MANHOL IS IDNTIFID FOR COMPLT MANHOL. XISTING SRFAC DITION "CRT" LOCATD AIRSID IS A CRT SRFAC, BT NOT AIRFILD CRT PANL SRFAC. CRT RPLACD AIRSID IS PR AIRFILD SPCIFICATION. 6. FOR OBJCT FR ARA - CRT COLLAR NIMPROVD SRFAC RSTORATION, S 2 DT-7 ISS RCORD DAT CHCKD BY: L HAGN WORK BRAKDOWN NO. DSIGN TRACT NO TO2 ST. TRACT NO VOLM NO. SHT TITL MANHOL SMMARY 3 SHT NO. SP-3 3OF CADD FIL NO. SM05-D-SP003_207.dgn

8 NOTS:. MANHOL SMMARY SHTS AR PROVIDD FOR RFRNC ONLY AND PROVID ADDITIONAL INFORMATION ON TH WORK TO B PRFORMD AT ACH MANHOL. IN TH VNT OF A DISCRPANCY ON TH WORK BTWN TH MANHOL SMMARY SHT AND TH INDIVIDAL MANHOL INSPCTION SHTS, TH MANHOL INSPCTION SHT SHALL TAK PRCDNC. CITY & TY of DNVR DNVR INTRNATIONAL 2. TH MANHOLS IDNTIFID AS GARDI AR SBJCT TO COMPLTION NDR SPARAT TRACT AND TH QANTITIS CAN B DLTD OR ALTRD AT DN S DISCRTION AND NO ADJSTMNT TO TH NIT PRICING IS D TO TH TRACTOR. QANTITIS WR CALCLATD BASD ON TH FILD DATA AND AR APPROXIMAT. COMPLT MANHOL INCLDS OF TH CHIMNY, CORBL, WALL, BNCH, AND TROGH, AND DRILLING AND GROTING PRCAST JOINTS. INTRIOR FRAM SALS AR NOT RQIRD WHN TH MANHOL IS IDNTIFID FOR COMPLT MANHOL. XISTING SRFAC DITION "CRT" LOCATD AIRSID IS A CRT SRFAC, BT NOT AIRFILD CRT PANL SRFAC. CRT RPLACD AIRSID IS PR AIRFILD SPCIFICATION. 6. FOR OBJCT FR ARA - CRT COLLAR NIMPROVD SRFAC RSTORATION, S 2 DT-7 ISS RCORD DAT CHCKD BY: L HAGN WORK BRAKDOWN NO. DSIGN TRACT NO TO2 ST. TRACT NO VOLM NO. SHT TITL MANHOL SMMARY 4 SHT NO. SP-4 32OF CADD FIL NO. SM05-D-SP004_207.dgn