|
Mc6 U��E�C�o�l woIG LL ---
<br /> TH86,AnFIn C,0MNecTl0q
<br /> WITH W
<br /> LEAKPMCTION SYhjI:M
<br /> 2 'I USN T
<br /> a (�P j2' ©G. �o vI ,CCTloNS 4), mw blip rl
<br /> - . -- —_
<br /> 21 l'm b11G� .. L .
<br /> 3eaV' - CoMf741T 2 � 0
<br /> LI _ C4NpUl !/
<br /> N L
<br /> OdecL, %LL�b�'
<br /> ��`G� bfs�Ei�15��, ISLArJr� ,
<br /> Li
<br /> LITiF
<br /> boul� .
<br /> CTD,LVAfJI� �bg►J�KLI;S>
<br /> TomS I lo, 000 �QL_Lof� o,000 �ALLo%(
<br /> m��TIU ce?jj b T u�1L�hb� e FUEL TA�I� bI�S�L �u�L TA IL '
<br /> � � I I
<br /> I LJ o --= -- -- - -{ _ -_ I - 4 ulELbeb AYE a bll'P�O Coal VhNl ��b ( i'I�L) ., ,
<br /> r f 3 _- - T 4- - 211 �AL�Af llz�b �rRAp (T ft'I��L� - - - -- 4 . . - - - --- - - �,,
<br /> -- 1 / I b , • Trlch�!�JIt'pEb ��L � I��b �tX' _ II
<br /> 21' -
<br /> P,
<br /> 1'
<br /> , I
<br /> r
<br /> ,
<br /> w
<br /> 1
<br /> C[ROS2 ; ZE(cumm _ SG M L 3j8 p l
<br /> " HE" AL NOTES
<br /> INSTALLATION —
<br /> 1, TANK 5 UNLESS CERTIFIED BY A REGISTERED, CIVIL OR EXCAVATION SHALL COMPLY IN ALL RESPECTS TO TESTING
<br /> ' . STRUCTURAL ENGINEER, TANKS, SHOULD .NO1` BE TITLE 8 O THE CALIFORNIA ADMINISTRATIVE
<br /> PLACED WITHIN .10 FEET OF-. ANY FOUNDATION . �` CODE SECTION 1640(D) , REQUIRING EITHER SHORING OBTAIN ACCEPTANCE OF TESTS FROM LOCAL INSPECTION AUTHORITY 2, PIPING FOR SINGLE WALLED PIPING, DISCONNECT THE
<br /> PROVIDE. SUFFICIENT DEAD WEIGHT (FOR ,EXAMPLE: OR 450 TAPER TO EXCAVATION WALLS IN ALL AREAS
<br /> A REINFORCED CONCRETE DEADMAN`S SLAB?"JO, WHERE EXCAVATION EXCEEDS 4 FEET BEFORE BACKFILLING TANK AND/OR PIPING , ENTIRE PIPING SYSTEM FROM PUMPS AND/OR
<br /> BACLASt THE EMPTY TANK AGAINST MAXIMUM ^' DISPENSERS AND TANKS , APPLY 50 PSIG AIR
<br /> ' 1, TANK FOLLOW MANUFACTURERS RECOMMENDATIONS FOR PRESSURE , THE INITIAL TEST PRESSURE, SHOULD
<br /> ANTiCIPATEP UPLIFT FORCES PROVIDE GAL- N
<br /> TESTING , 1N GENERAL, TEST THE TANK WITH BE MAINTAINED FOR 60 MINUTES WITH ONLY
<br /> ' CULATIONS TO DEMONSTRATE THE ADEQUACY OF. . •,_.,_,... - - BETWEEN 3 AND 5 PSIG AIR PRESSURE BEFORE MINIMAL PRESSURE .DROP . LEAKS MAY BE LOCATED
<br /> THE BALLAST PROPOSED. TANK EXCAVATION .SHOULD a.. 2, PIPING BEFORE UNDERGROUND PIPES ARE LAID, PLACE
<br /> LOWERING THE TANK INTO THE EXCAVATION . THE BY SOAPING ALL JOINTS WHILE THE SYSTEM IS
<br /> BE LARGEENOUGH .TO PROVIDE A MINIMUM 1� � AND COMPACT CLEAN SAND IN THE TRENCH TOA
<br /> INITIAL TEST PRESSURE SHALL BE MAINTAINED ^ UNDER PRESSURE. FOLLOW MANUFACTURER'S
<br /> CLEARANCE IN ALL HORIZONTAL DIRECTIONS MINIMUM 6", AFTER LAYING THE PIPES, PLACE WITHOUT SIGNIFICANT PRESSURE DROP FOR 10 INSTRUCTIONS FOR TESTING DOUBLE-WALLED
<br /> AS PER MANUFACTURER S INSTRUCTIONS, COVER AND COMPACT CLEAN, AIR-DRY SAND AROUND AND MINUTES BEFORE INSPECTING TANK SEAMS AND PIPING
<br /> :DEPTHS SHOULD MEET MANUFACTURERS, SPECIF^ . " OVER THE PIPES TO A MINIMUM COVER OF PIPE OPENING CONNECTIONS , ALL SEAMS AND ~
<br /> ICATtONS, PROVIDE A 12`' BED OF 3/8" DIA, . FILL THE REMAINDER OF THE TRENCH WITH - -
<br /> CONNECTIONS SHALL BE LEAK TESTED AT FULL -,
<br /> PEA GRAVEL TO ASSURE UNIFORM SUPPORT UNDER EITHER SAND OR BACKFILL IN 6" MAXIMUM -
<br /> r , . TEST PRESSURE WITH A SOAP AND WATER SOLUTION,
<br /> FLOWING CLEAN PEA LGRAVEMNATURALLY-ROUNDED. DENSITYOFASTM A1557-73, OOR OF
<br /> THE DENSITY IF TANKS ARE DROPPED OR IMPACTED AFTER : ��/etaa(nlrta Gowlbv�a.�,P,u.
<br /> .THE TANK BACK A
<br /> AGGREGATE WITH Pl1RTICLE1!{ANGING_ FROM I/8" SPECIFIED FOR THE SURROUNDING FILL, WHICH INITIAL PRESSURE TEST, REMOVE TANK FROM
<br /> To 3/8" IN DIAMETER) COVERING TANK TO WITH- EVER IS HIGHER . ' BACKFILL MAY BE EXCAVATED EXCAVATION AND REPEAT THE TEST PROCEDURE ,
<br /> IN 12" OF GRADE AND FINISH WITH 1/4" CRUSHED MATERIAL, PROVI�ED IT DOES NOT CONTAIN 1F TANK LEAKS, IT SHALL BE REPLACED, NOT STOCKTON SERVICE CENTER
<br /> STONE, ORGANIC MATTER, AND SHOULD BE PLACED A7 REPAIRED.
<br /> ' L , , baa CLOSE TO OPTIMUM MOISTURE CONTENT, - MICROFILM
<br /> .« a* ,r� " � .
<br /> PROJECT NO. TL 390-0042-01
<br /> APPROVED GM BILL OFMATL
<br /> SUPV DWG LIST
<br /> SUPSOS
<br /> No DAT I O.K. PACIFIC GAS AND ELECTRIC COMPANY SHEET N sNREvs
<br /> a .. SN 0.
<br /> R REVISIONS OwN <NNO. SUDS APUD. BY N0. DATE DESCRIPTION GM/SPED OWN CNKO. SUPV, APVO BY SCALES gqN. FRANCISCO, CALIFORNIA R - 3
<br /> REV.IS10N�S
<br /> ' '
<br /> 34ne1 rni 10 01 NO, «iAnvnwr. , E DESCgIPT10N GM/SPEC
<br />
|