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REVISIONS <br /> FILL,TLM PROBE (N) LOADING <br /> UST #? - TO BE UPGRADED PORT EXISTING UST#2 RACK SYSTEM -- <br /> ANNULAR CRASH <br /> PROBE / BOLLARD (TYP.) - <br /> , <br /> X <br /> 0 O O 0 I Q <br /> � Q \ U. X <br /> w I w • � UW � � n <br /> (E) .A/C <br /> PAVEMENT <br /> f1 r �i <br /> -- All <br /> • w z JN <br /> (E) CONCRETE <br /> PAVEMENT ® ® r! c <br /> LU <br /> F <br /> k V) _ <br /> l �-- ( PARKING AREAR ~ P ¢ v z <br /> (E) TANK MANIFOLD § �+ z H <br /> TO BE REMOVED § z U <br /> 0 § _ r <br /> z0ro <br /> (N) CONCRETE <br /> Sk SLAB <br /> (E) G' DIAMETER w • ?, <br /> (E) CONCRETE <br /> CONCRETE <br /> TOBEREMOVEDj <br /> PATCH / <br /> - TO BE REMOVEDA• • \� DISPENSER <br /> / ISLAND <br /> (E) VENTS ~ - <br /> UST #I - TO BE REMOVED - TO BE REMOVE ? (E) DISPENSER § (BIW - <br /> - L V DL ltLlVlV V LU, J l VttLU, k <br /> I AND RE USED. 1 1 <br /> t 7 1 M c <br /> REMOVE EXISTING CONCRETE _` <br /> ISLAND AND CRASH BOLLARDS, 0 5 0 5,` v 0 <br /> SCALE SCALE <br /> r <br /> 40' a <br /> � C) <br /> � G O <br /> r- - <br /> fn <br /> r <br /> EXCAVATIONS & BACKFILL <br /> REMOVAL OF EXISTING TANK AND PIPING SYSTEMS: Use a vacuum truck to collect all recovered product (liquid and 46' <br /> Contractor will furnish permits, labor and proper e(luipment, except sludge). Vacuum truckis to return "recovered" product to all LOADING ' <br /> as noted, to remove existing tanks and line per the following approved treatmentn facility with aapproved oil/water separator RACK CONCRFTESLAB <br /> Procedure. system. Submit manifests and ate applicable documentation to the UNDERGROUND BRACKET 2500 PSI 77 <br /> Office of the General Contractor within 10 days of waste removal 'TANK 8" THICK C/) k !y <br /> REBAR @ <br /> All tanks and piping shall be removed and disposed of in from site. i\1r\NWAY W/ <br /> / <{ <br /> f/ � <br /> accordance with all applicable stale and local regulations. Removal 12" O/C EA WAY rrt <br /> shall also comply with current NPPA, city and all other local The tank line and vapor space shall be tested by placing the W <br /> regulations. combustible gas indicator probe into the fill opening with the drop CRASH U Q <br /> tube removed. Readings should be taken at the bottom, middle and POST (TYP) p <br /> Owner representative shall be responsible for removal of all product tipper portions to the tank. The tank atmosphere must he 20% or O <br /> from any tanks which arc to be removed or abandoned. less of the lower flammable limit:prior to removal. } <br /> Excavate to the top of each tank. Care must be taken to prevent All U.L.. Labels shall be removed and retained for submittal in the �J�' H - <br /> breaking any piping and releasing product into the environment. "Tank Removal Report". F—+ Q O - <br /> Prior to starting excavation, the removal contractor shall ensure The tank must be properly labeled prior to transportmion from the _ W. <br /> !1��, O <br /> power is shut off «i any circuit, whose conduit rimy cross the. site. Transport :rod disposal of the tank and product lines must be ✓ W U r ��' t <br /> excavation. done in accordance with all state and local regulations. BACKFILL P <br /> --1 U i <br /> T <br /> MATERIAL t•�--1 Q, w <br /> Suction System - Open check valve, pull poppet and drain product Follow all state or local regulations regarding soil samples and <br /> from line into tank. Do not replace poppet. Reinstall Cover on inspection of tank hole and/or tanks. U - <br /> Vi41tie. <br /> In the event free product is found during any phase of the removal <br /> Pressure System - ..Break" pipe al union at remote pump. Drain of underground lank(s) or piping system(s), immnediolely notify the CROSS SECTION A - A" - <br /> product into tank or separate container. <br /> Owner Representative. <br /> Avoid spills. Do not allow product to drain into soil. Critical care EXCAVATIONS: Excavate only to the depths required by the <br /> should be taken to eliminate any ch:mces of product leakage during plans. <br /> the removal process. <br /> If unexpected water condition or rock is encountzrnh inunediately <br /> Flush all product, vent and vapor return lines back in tank or contact the Owner Representative for instructions before procecdin <br /> separate container(s). (Flushing in separate containers can be Willi the excavation. <br /> PROJECT NO. 1031 <br /> dumped into product tanks for storage.) Properly flush each lint <br /> thoruu;hly prior to disposal. <br /> Open all openings and flush inside of UST ,#1 with a minimum or SCALE: <br /> 200 ,allons of water using high pressure spray equipment with <br /> wand to "wash down" the sides and bottom of the tank. <br /> AUGUST IQ 1997 <br /> UST RET40VAL PLAN UST UPGRADE PLAN A - 2 <br />