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Deadmen are rr ,with rein. " forced(246 re t� �concrete.The A11. Filling.Tank se acre-bare a"oniy spaced cross section d�mlft'fsionsmayvary smooth radars depending on burial depth.(con- Do not fill until backfill is to top of tank.Never add product or water_ rebar anaxx aoiru 13• tact the Fiberglas Tank Installation for hold-down In dry hole conditions until backfilling is completed " centered Manager for details). If minimum to tanktop. burial depth is 24"(44"for 12' - installation Procedure-Wet Hole—Section A8) diameter tanks),minimum dead- (Exception—See man size is as follows: Illsw ebar Tank Min. Al2. Venting width Diameter Height Width' - All tanks must be vented,as tanks are designed for operation at 648' 12" x 12" atmospheric pressure only,except for use with vapor recovery systems 10, 12" x 18" provided the pressure or vacuum does not exceed l psi.The vent open- 121 81, x 36" ing should be the same diameter or larger than the piping to remove product. 'A round cross section oan be substituted if the diameter equals or exceeds the For double-wall tanks,ifthe monitoring cavity between the inner and deadmanvddth. When using deadman anchors in multiple tank installations each tank will outer lank is also vented,it must be vented independently from the require two deadmen.if one deadman is used for adjacent tanks it must primary tank. be doubled in width.A separate anchor point must be provided for each Pressurized deliveries are not recommended.if the delivery strap.Reber anchor points are incorporated with their legs anchored vehicle uses pumps to fill the tank,Install overfill shut-off equip- under the re-bar reinforcement.Spacing for anchor points is determined ment In the tank and truck to prevent the tank from being overfilled. by the number of anchor points shown on tank drawings. OVERFILLING THE TANK UNDER PRESSURE WILL DAMAGE THE An anchor point can be fabricated from rebar as follows: Min.Reber TANK,EVEN IF THETANKVENT IS UNRESTRICTED. Tank Diameter Rebar Size(1 strap/anchor point) Width 4',6' #6 4'/2" A13. Manway and Manway Extensions 8' #8 8" ty 10' 12' #10 12yx" of 1200ndardmionalh heavy dutdiameteys have aalod bearing eabearing ceacity Turnbuckles(optional) of 2200 lbs.Fiberglas heavy duty manwyshmust loedbeaedontanks ( P ) of24001bs.Fiberglashearydutymanwaysmustbespecifiedontanks Hook.Jaw or eye-type turnbuckles(drop-forged)may be used in place equipped with helical heating coils,agitators or pumps with atotal of all or a portion of the wire rope described in this section. downward load of greaterthan 1200 lbs.but lessthan 2400 lbs. All Anchoring Methods Minimum per anchor location. A14. Manway Risers Tank Diameter 41.61 8',10',12' The Fiberglas ay Riser provides a non-corroding,spacious access Drop-forged Turnbuckle Diameter: from a manholea box box and cover.Since the bottom is open,the manway Hook7ype a/4" VA. riser will fill with water as water surrounds it on the outside.Traffic areas Jaw Type 'ho a/4" require a reinforced concrete traffic pad. Eye Type 'Fz" 3/4" A maximum of 2 manway risers may be used with tank sizes of 10.000 Wire Rope Diameter: t gallons and larger:only one riser is permitted with tank sizes less than 6 x 19 (improved plow steel) 10,000 gallons due to possible buoyant forces. F Ll o not use wiree ebolts or bent steel eyebolts. The riser must be installed with a 6"minimum clearance from the top of '�) y y the tank.The bottom of the riser should be supported with 2"x4-x3' Note:TANKS INSTALLED WITH BACKFILL TO TOP OF TANK,BUT minimum wood pieces.Additional data on manways,extensions,and A WITHOUT BACKFILL TO WITH WATER OR PRODUCGRADE T AS BALLAST..00 NOSHOULD BE IT PLETELY PLACE WATERFILLED risers may be found in OIC Tanks Pub.3-PE-6312. OR PRODUCT IN TANK UNTIL BACKFILL IS EVEN WITH TANK TOP. Fiberglastanks can also be anchored safely by using burial depth and a A15. Site Monitoring Wells surface slab to offset the buoyancy factors.For alternate anchoring For newinstallations, lace monitoring wells at least one foetoutside of methods,contactthe O/C Tanks Installation Manager. P 9 tank outer diameter.Backfill with same materials as tank backfill. A10. Piping and Sump Clearances A16. Barricades Tank Wdh Bottom Sump Tanks with Bottom Sumps Tank area must be barricaded to prevent any vehicle travel over the tanks When installing a tank equipped until installation is complete. with a bottom sump,excavating and bedding must be modified to provide 12"deep x 24" A17. Installation Checklist diameter hole centered at the Bosom sump location.After the tank is Complete the installation checklist(15-PE-8894)included inthe tank ship- sump placed,the void surrounding the ping packet.Measure,record and compare the tank vertical diameter I sump is to be hand backfilled and reading before backfilling and after backfill is brought up to subgrade to 11 hand tamped prior to adding verity the tank backfill support.Acopy of the installation checklist must be backfill around the tank. retained by the tank owner and/or installation contractor to validate any future warranty claim. i Extertail'P^9 External Piping A18. For Additional Information On Thepumpand attachedpiping Other Installation Details. t must befreetomovewiththetank. lsoute ''' Use afillbox or street box to isolate Specific procedures for encasing a tankin concrete or adding tanks to piping tram the piping from the traffic pad. existing installations and alternate installation techniques are available by traffic slab:. Take precaution during eonstruc- contacting your Fiberglas Tank Sales Representative or the Fiberglas tion to ensure no damage occurs Tank Installation Manager. yyapW pyyq to the exposed piping and fittings. If you have an installation situation that is not fully addressedinthese instructions,contact your local Fiberglas Tank Sales Representative.It "'`^�" ":'i "`. .. Internal Piping you are unable to contact your local representative,call: Internang mustbeammum Internal pipiiniO/C Tanks Installation Manager Toledo,Ohio (419)248-7371 <c=4• '2' wii of4 from the tank bottom If 21 °,aa. °adiametertanks require a6" O/C Tanks Field Service Manager Toledo,Ohio (419)248-8196 a• s• ?i minimum clearance). min. Jmin. I s