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SPECIFICATIONS
<br /> FRP DOUBLEWALL FRP DOUBLEWALL PULL CABLES (AS SHOWN) TO
<br /> UNDERGROUND TANK-- UNDERGROUND TANK�` TIGHTEN & HOLD W/ 3 CABLE CLAMPS.
<br /> DESIGN CRITERIA 3.1 TANK HOLD-DOWNS (Tie-Downs):
<br /> A. HOLD-DOWN: Q
<br /> ���TIGH CABLES (AS SHOWN) TO
<br /> LE When specified the hold-down "loge" shall be installed prior to the bed materlol. O
<br /> SAFETY FACTORS - 1.25 DURING EXCAVATION, 1.40 AFTER COMPLETION 5 CLIPS / TIGHTEN & HOLD W/ 3 CABLE CLAMPS. B. Caution - Do not place FRP tanks on concrete slabs, timbers, beams, cradles or grout the tanks in tl
<br /> CONCRETE STRENGTH - f'c = 2.0 kS1 REQUIRED / wet cement. The tank, whether tied down or not, must never be left on the bed without a backfill ^lz as 00,
<br /> TIGHTEN TIGHTEN to the top of the tank If there is any chance of water, 12" or more above the tank bottom, In the d m ca ao E
<br /> REINFORCING STEEL - GRADE 40 TIGHTEN \ TIGHTEN `� hole. w $ .lb Q1
<br /> WT. OF PEA GRAVEL BACKFILL DRY - 100 PCF -3 CABLE CLAMPS 3.2 TANK HOLD-DOWN INSTALLATION t1 ,y� � N
<br /> SUBMERGED - 60 PCF (TYP') A. GENERAL REQUIREMENTS: O d
<br /> Anchor all underground storage tanks with concrete hold-downs ("logs" or "deadmen") when (� b N
<br /> DO
<br /> HOLD-GOWN STRAP o O 01
<br /> -HOLD-DOWN STRAP specified by Chevron Rep. to the Scope of Work. ae
<br /> WT. OF CONCRETE DRY - 150 PCF -3 CABLE CLAMPS PROVIDED BY FRP TANK PROVIDED BY FRP TANK 1. Tank bedding, ballasting and tank hole backfill procedure are described in these specifications, t m U C
<br /> MANUFACTURER. 9. 9 P P
<br /> SUBMERGED - 88 PCF (TYP.) MANUFACTURER (TYP.) 2. The tank anchorage system shown on the drawings is designed for a maximum level of ground d U rn
<br /> BUOYANCY = DISPLACEMENT X 62.4 P.C.F.
<br /> water equal to the subgrade level. g d1 m
<br /> 3.3 MATERIALS
<br /> BURIAL : 4'-0" A. CONCRETE HOLD-DOWNS: Precast, reinforced concrete "logs", 12" x 12" or 12" x 24" in cross- QJ Q eii of W L6
<br /> WATERTABLES : Qa 3'-6" BELOW TOP OF TANK SLAB section, with chamfered edges. Length, as shown on the drawings. 1/2" diameter galvanized steel
<br /> anchor loops are to be cost Into "logs" at locations shown. Precast material shall have achieved its
<br /> © AT BOTTOM OF TANK SLAB ultimate compressive strength of 2500 psi (28 days) prior to installation.
<br /> NOTE: Precast concrete foundation piles which meet or exceed above specifications are acceptable.
<br /> O10 -O" t DIAMETER DOUBLE WALLED F.R.P. TANK HOLO-DAWN HOLO-DOWN B. WORE ROPE CABLE: Hof-dip galvanized steel wire rope, minimum 1/2" diameter, breaking
<br /> LOG LOG strength, 20.4K 17"SINGLE OR MULTIPLE INSTALLATION. j C. HARDWARE: Cable clamps, cable guides, guards, etc., furnished by the tank manufacturer, shall METAL CABLE be hot-dip galvanized steel.E/1ELEW1 ANCHOR LOOP. D. PROTECTIVE COATING: Prior to backfilling tanks, apply a generous quantity of "Chevron AsphaltO
<br /> aO WATERTABLE ® 3'-6" SEE DETAIL THIS Coating" by brush to all exposed steal cables, loops and hardware.
<br /> ,2'_0" 1/2" YAIRE ROPE SHEET.
<br /> 3.4 INSTALLATION PROCEDURE:
<br /> TANK BUOYANCY: - 9" � ' "'
<br /> F(TYPICALR
<br /> 3 CUPS EQUIRED ,p�"' EU 4R
<br /> (78.54 X 62.4 X 19.48) + (523.6 X 62.4) + (28.47 X 62.4) = 129918.6// 0 3' D.C. (TYP.) A. Prepare the tank hole to receive the hold-down "loge". Install shoring (or side sloping) In accordance ,``''�,�5� LYNN y�T
<br /> ° STORAGE TANK HOLD-DOWN ASSEMBLY ALTERNATE STORAGE TANK HOLD-DOWN ASSEMBLY with Section 1.3. F �F goFn>
<br /> WT. OF CONCRETE 12 X 32.48 X 112.5 = 43848# iv B. Pump the water out of the tank hole. Keep water out of the tank hole until tanks have been set, tied
<br /> FOR FRP TANKS ONLY) (USING PRECAST CONCRETE FOUNDATION PILES) down, bah cab and through
<br /> its
<br /> ? * No. 24stD
<br /> WT. OF TANK = 5156# C. Insert each cable through its own anchor loop in the "log" reserving sufficient cable so that both
<br /> e 04/30/Otsfs
<br /> GROSS VOLUME OF DRY BACKFILL o ends of the cable will h kept at the top of the tank hole after the 'Yoga" ore set. Lower and position '=N' RENEWAL
<br /> 12+11.33 CABLE CLAMP DETAIL the "loge" In the tank hole keeping both ends m the cables at the top of the hole. Install the 12" N DATE l
<br /> X 2.75 z 32.46= 7042.36 CU.FT. minimum thick bedding material In tank hole. Smooth and slope per the tank bedding instructions. `-;'�F� pQ',d`"
<br /> 2 - D. Proceed with setting the tanks by adding ballast as necessary to sink and keep down the tanks. Use �--, OF "`
<br /> VOLUME OF 48"0 F.R,P. RISERS = 75.4 CU.FT. only enough ballast to hold the tanks down until the backfill Is even with the top of the tanks. (Refer
<br /> HOLD-DOWN ASSEMBLIES to Siouan tank ank setting requirements.) (
<br /> NET VOLUME OF DRY BACKFILL = 966.96 CU.FT. Caution: Ballast rlevelto in tank must never exceed water or backfill)
<br /> level in tank hole during
<br /> Installation. REVISIONS
<br /> WT. OF DRY FILL 100 X 966.96= 96696# - "0 NO SCALE i E. Install the cable guards, guides, etc., furnished by the tank manufacturer on the designated ribs of REV# DATE COMMENTS
<br /> GROSS VOLUME OF WET BACKFILL OVER TANK SHELL the tank. (Note: "Designated Ribs" are marked by arrows on the tank surface.)
<br /> 11.33+10 78.54 Caution: Do not place straps or cables between the ribs of the tank.
<br /> ( X 5.50 - ) X 19.48 = 378.30 CU.FT. 24'-0 1/4" OVERALL LENGTH SECONDARY TANK (12,000 GALLON) F. Pass each set of cables (a set of cables are those passing through the matching, or opposite, loops OSM5102 CITY OF TRACY
<br /> 2 2 on the "logs") through the guides and loops as shown on the drawing. PLANNING COMMISSION HEARING
<br /> VOLUME OF 48"0 F.R.P. RISERS = 25.14 CU.FT. TANK AND LOG 1. One end of each cable is to be crossed over the top of the tank In the retainer portion of the
<br /> hold-down strap. Using three cable clamps on each set of cables, clamp both cables together
<br /> NET VOLUME OF WET BACKFILL OVER TANK SHELL = 353.16 CU.FT. CABLE CLAMPS ® GUIDE on to of the tank. Prior to tightening the clamps, tension the cables with "come-a-Ion e'
<br /> SEE DETAILS. secured outside the tank hole.Use enough tension to tighten the cables but not to lift the "logs"
<br /> VOLUME OF WET BACKFILL OVER TANK DOMES 9 9 9
<br /> 2618 or crush the tank.
<br /> .
<br /> 2(5 X 5.5 X 10 - ) = 288.2 CU.FT. � Caution: All seta of cables on a tank must be tightened equally to avoid tank deformation.
<br /> 2 \ 2. The cable must rest on the top of the hold-down strop between the guides provided. Repeal: this r
<br /> TOTAL NET VOLUME OF WET FILL = 641.36 CU. FT. \ process for each set of tie-down cables. 1
<br /> W7. OF WET FILL 60 X 641.36= 384816# 3'-0'"
<br /> 3. After all tie-dawns are completed, commence the backfill procedures to the top of the tanks, _^
<br /> �\ v'
<br /> MIN. STORAGE STROWN
<br /> AP
<br /> '.W = 184181.6#= 1.42 X BUOYANCY O.K. \ 1B, TANK ,\ 2-0" 11I (\��
<br /> NO HOLO DOWNS REQ'D. \ \ MN III- I
<br /> I _ 9" IN.
<br /> 8.68SQ. FT. 15 MAX. 11. . .-
<br /> © WATERTABLE ® 9"
<br /> USE 12" X 18" R/C LOG 5'-10 7 8" 5'-10 7/8" �V
<br /> BETWEEN TANKS AND I I I
<br /> AT SIDES. II
<br /> WT. OF CONCRETE LOG = 31.48 X 1.5 X 88 = 4155.36# 6'-4 7 8" 5'-6" 14" 5'-6" 6'-4 7 8" NOTES
<br /> 273.24
<br /> VOLUME
<br /> OF BACKFILL
<br /> C OVER
<br /> LOG
<br /> -, ANCHOR LOOP (TYP.) HOLD DOWN LOG 1. PICK-UP POINTS FOR LOGS SHALL BE THE OUTER LOOPS.
<br /> . °
<br /> WT. OF BACKFILL OVER LOG = 273.24 X 60 = 18394.4# IIII I 2. VERIFY LOCATION OF TANK HOLD-DOWN STRAPS WITH TANK MANUFACTURER BEFORE FABRICATION
<br /> FOF HOLD-DOWN LOGS.
<br /> LW = 5156 + 43848 + 96499.2 + 2(4155.36) + 2(16394.4) _ 186602.72#"12-X18- -._.---r- T1 I L L J L
<br /> 2" BED w
<br /> SAFETY FACTOR 1.43 OK. (25-0 1/4" LENGTH OF LOG)To
<br /> _
<br /> I ITI I I�I I ISI -' 8",2" X 1HOLD DOWN LOG FOR USE ® SINGLE �I
<br /> BALLASTING DURING EXCAVATED CONDITION AND MULTIPLE TANK INSTALLATIONS OR AS INDICATED. ■
<br /> FE
<br /> PERMITTING FITTERS TO WORK SAFELY ON TOP OF
<br /> TANK, 10.73)03 2 STORAGE TANK HOLD-DOWN LOGS t6
<br /> (FOR SINGLE OR MULTIPLE TANKS.) HOLD-DOWN LOG LOCATIONS '---
<br /> /,•=,,_D" (XERXES 12,000 GALLON TANK)
<br /> WATERTABLE 2' MAX. IN EXCAVATION 3/8"=1'-0"
<br /> VOLUME OF BACKFILL ABOVE q X 10 7254 = 10.73 CU.FT. 37'-8 3/4" OVERALL LENGTH SECONDARY TANK (20,000 GALLON) 29'-5 3/4" OVERALL LENGTH SECONDARY TANK (15,000 GALLON)
<br /> WT. OF BACKFILL 10.73 X 95 = 1019.35 # ATERTABLE
<br /> TANK AND LOG LTANK AND LOG
<br /> WT. OF TANK 150
<br /> -W=1169# 2'-0"
<br /> WITH 2'-0" WATER IN EXCAVATION A=11.1 O
<br /> BUOYANCY X 62.4 = 697.63 # 12"X18" LOG
<br /> SAFETY FACTOR
<br /> 1.6. OK. WHERE REQ'D.
<br /> DESIGN OF BALLAST "LOGS" (12" X 18") I ^ �/ �•
<br /> MAX.PI = 3Y-0"
<br /> PICK K UP ® END POINTS IK 8.-6" MAX.
<br /> 2 I 19' MAX.
<br /> Man = 1/2 % .23 X (6.5) = 4.86 k � 1'-6" MIN.
<br /> As = 4.86 = .29 3- #5 (TOP) lu W °�
<br /> 1.76X9.5
<br /> 700
<br /> Mmox = 7.0IK As 1.6X9.5 '42 3- #5 (BTM.)
<br /> USE #2 TIES ® 18" O.C. #4 "LOOPS" ® PICK-UPS V-10 7/8" V-10 7/8" 5'-10 7/8" W-10 7/8" °s Y
<br /> I I I 1 1 1 1 v o �' ®
<br /> PICK-UP 6'-4 7/8" 5'-6" 4'-1 1/2" 6'-8" 4'-1 1/2" S'-6' 6'-4 7/8" W-4 7/8" 6'-10 1/2" 31-111, 6'-10 1/2" 6'-4 7/8" 4-
<br /> 12" POINT. HOLO DOWN LOG ANCHOR LOOP TYP.) HOLD DOWN LOG 1(R•• AC
<br /> ANCHOR LOOP (TYP.) � �V X11
<br /> /-2" RAD.
<br /> 1 1/2" CLR. � � �• v
<br /> 3- 5 TYP. a 1" RAO. �i6'-6" MAX.
<br /> # � T 19 MAX. P-6" MIN.
<br /> 3- 5 i J
<br /> 10 NCHOR LOOP (38'-8 3/4" LENGTH OF LOG) _ (30'-5 3/4" LENGTH OF LOG) �(� ■L(�■ a�
<br /> (12" X 18" X 31'-0") V/ V
<br /> TIE DOWN STRAP ANCHORAGE AND PICK-UP POINTS
<br /> USE HOOKED #4 BARS NOTE: 4 STORAGE TANK HOLD-DOWN LOGS V N
<br /> 31.0 *PICK-UP POINTS SHALL BE AT THE OUTER 5 STORAGE TANK HOLD-DOWN LOGS (XERXES 20,000 GALLON TANK) v
<br /> MAX. LOAD-X 225 = 3487.50# ANCHOR LOOPS. [XE
<br /> 15,000 GALLON TANK)
<br /> 1/4'=1'-0"
<br /> STRAP FASTENING HOOKS. WHICH SHALL BE HOT- STORAGE TANK HOLD-DOWN INSTRUCTIONS
<br /> Fs = 3408 = 8720 PSI 12"
<br /> DIP GALVANIZED. 2" RAD.
<br /> *TOTAL BALLAST LOG LENGTH SHALL EQUAL � �ff
<br /> ANCHOR & PICK-UP
<br /> TANK LENGTH. (USE SECTIONS AS REQ'D.)
<br /> � FS-SEE DETAIL AT 15•� DCI PROJECT NUMBER A01A26.03
<br /> #4 GT (TYPICAL)
<br /> a _ DRAWN: JM CHECKED: IQ
<br /> . DATE 05101173 APPROVED: JA
<br /> 1" RAD. iv #2"TIES18 O.C. m SCALE: ASNOTED
<br /> IE E
<br /> 6-#5 (TYP.)
<br /> ANCHOR LOOP DETAIL LOG SECTION #2 TIES (TYP.) Fw5
<br /> 6 HOLD-DOWN LOG REINFORCEMENT DETAILS
<br /> SFfE NL�LieER
<br />
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