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HomeMy WebLinkAboutDCVR-HCI-22DESIGN CLARIFICATION/VERIFICATION REQUEST CONTRACTOR: Hankal Construction, Inc. PROJECT: Unalakleet Bulk Fuel Upgrade SPEC. NO.: DC/VR NO.: HCI-22 CONTRACT NO.: REG-06-088 DRAWING NO.: M-5 DESCRIPTION OF REQUEST: The U/G portion of piping to the Power Plant is not set up for an individual hydrotest. That portion can be tested along with the diesel main line to the tank farm. Problem is that the PRV (set 75) at #PP-1 will relieve before hydro test pressures are achieved. Recommend addition of an isolation valve on the PRV piping to facilitate future hydrotests. ATTACHMENT: YES® NO[] CHANGE ORDER: YES® NOF] IF YES PROVIDE RFP: WRITTEN BY: DAVE SHELLENBERGER DATE: APPROVED BY: DATE: /C) DAVE SHELLENBERGER RESPONSE: 14 CX e 0,PGi'! —74 as %'r Ptc( ©il' "4 RFP REQUIRED: YES NO BY:�e-C�—.. ��/��I� DATE: A/E This is NOT an authorization for additional reimbursement or time extension. Authorization of such can be made only by the owner through a change order in accordance with the contract documents. DCVRFORM LADDER CONDUIT SUPPORTS 5 HANDRAIL WTH t 60 ON CENTER Yk-4 TOE BOARD AROUND (SIMILAR) ENTIRE TANK PERIMEIr7? A'A SAMPLE HATCH O �EXISTING TANK 25'-3'O r 23'-B' HIGH �-PROWDE 2-1/2" FLANGED NOZZLE AND NEW \ HIGH/CR777CAL HlCr? ANCHOR 2 LEVFL SWITCH SE 7"AT 90R CHAIRS 4 AND 95% RESPECRVaY (TYPICAL OF T5) PfPc SUPPORT 5 ;1 ^ (TYPICAL OF 12) M-5 // ?�O• // �T� PROV'DE 7-1/2"0 SCHEDULE 160 NEAT TRACE COLS 24'0 WITH BUTT WELD F7717NGS MANHOLE /I /� .I,L EXISRNo 4'I FTLL Il 1/ 11 NO2ILF NEw 4,0 VACUUMVENT` L-� �- / I srANI /I I/ ` f l I 1 PIPE 1j !I 1// / PRESSURE RELIEF M-4 VALVE (SIMILAR) �I II lj 1/ If / ll I/ /1 it I/ if /I I/ /1 1/ II // if I'/ If PROVIDE 1-1/2"0 NO2ZLES FUR - Y.- /I I / MECHANICAL M_5 HEAT TRACE COILS LEVa GAUGE Re cal, m q.0 (TYP OF 2) a NON-FREM z INSUL4 TED PRESSURE 7REA 7fD via.` `_� EV577JG 7"/ Xf WATER DRAW V WOODEN 90X WITR RINGED kW ISSUE NOZZLE x WA TER PROOF ROOF AND MANHOLE AC -SS COVER, PROVIDE RIGID FOAM BOARD INSULATION ! r ON FLOOR, WALLS AND ROOF t C, �..tEJf S (R-19 MINIMUM)- TRANS771ON FROM STEEL PIPE TO PROVIDE INSULATED AND C ARCTIC PIPE HEAT TRACED ARCTIC PIPE HEAT TRACE LINES TO POWER PLANT J'o TO POWER PLANT PLAN - 88,600 GALLON POWER PLANT TANK (TANK #PPI) M-5 SCALE I' = 2' a NOTES ri ^ v I. PROVIDE NEW TANK BOTTOMS SAND BLAST AND RECOAT BOTH UVEC TANKS c SEr SHEET C-2. i �w 1 f