REMOVAL_1993 REMOVAL PLAN - Laserfiche WebLink

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z x 1 2 3 1 4 5 6 7 8 9 10 1 11 12 13 1 14 15 16 17 18 1 01 GENERAL REQUIREMENTS Suction System - Open check valve, pull poppet and drain product from line into tank. ALTERNATIVE BACKFILL MATERIALS: Defined as any material not meeting above requirements SPECIAL FITTINGS; The shut-off valve ("Shear' or "Safety" volve) at the base of the product pump Do not replace poppet. Reinstall cover on valve. for approved materials. or dispenser Is secured in position to the stabilizer bar of the dispenser containment box as detailed M yy Pressure System- "Break" pipe at union at remote pump. Drain product into tank or Approval of Company Representative is required prior to use of such material. In certain on the drawings. M These General Requirements apply to all sections of the specifications as if slated separatery in each separate container. instances, the approval of the tank manufacturer may be required to preserve the tank warranty. Position the valve so that the line test port plug is accessible, section. Company shall obtain such approval. Avoid spills. Do not allow product to drain into soil Contractor may be held liable if soil PIPE WRAPPING: All underground steel pipe and fittings shall be field primed and wrapped. COMPANY REPRESENTATIVE: The Regional Manager or Representative authorized by him, contamination occurs during tank and line: removal, Alternate materials, if used, must be dry and free of ice and snow. The tank hole sides must be Wrapping material shall be 35 mil polyethylene lope Polyken 930" manufactured by the Kendall hereinafter referred to in these specifications as Company Representative. shored or side sloped to permit entry for compaction and testing. Company (or equal approved by Company Representative). Wrap overlap, shall be one-half width Flush all product, vent and vapor return lines back in tank or separate contoiner(s). (Flushing of wrapping material. Wrap 1 -1/2" and Z fittings with Polyken 900 ( 2 mils) with a 60% in separate containers can be dumped Into product tanks for storage.) Flush each line with aoverlap. In difficult areas Polyken 931 can be used before wrapping with Polyken 900. Primer STATUS OF COMPANY'S REPRESENTATIVE: Company Representative has authorityr to make minimum of 10 gallons of water. BEDDING OF TANKS: A 12" minimum bed of backfill material is to be placed in the hole, shall be Polyken 927 (above 40' F) or Polyken 919 (above 10' F). all decisions regarding work performed under this contract. Ismoothed and sloped to allow a tank slope of 1"' in 10' downward toward the fill end prior to Open all openings and flush inside of each lank with a minimum of 200 gallons of water using setting the tank. Exceptions: Do not wrap the union at the remote pump and/or FRP pipe/flex connector high pressure spray equipment with wand to "wash down" the sides and bottom of the tank. When specified, the hold or tie-down "logs" shall be installed prior to be bed material. connections. WORK'"INCLUDED: All tabor, material, utilities and equipment required for full performance and P 9 completion of work herein specified or shown on accompanying drawings, including procurement Company Representative will arrange fora cocuum truck to collect all recovered product (liquid SETTING & BEDDING PIPE: A 2" minimum bed of backfill material o to be placed / all piping L P payment for all necsso ermits, utilities, etc. unless otherwise noted on the pions or and Sludge). Vacuum truck is to return "recovered' product to "slap" at Company facility or Coulton - he not plane tanks on concrete slabs, limbers, beams, cradles e grout the tanks in wet trenches. Smooth, compact and sloe f app material to allow a sloe of 1 4 L of and pay necessary P Approved treating facility with approved / p y P P 9 p / per foot toward the specifications or specified by Company Representative, g y pp avec oil water separator system. cement. The tank, whether lied down or not, must never be left on the bed without a backfill tanks. 1/8 per foot may be used if approved in writing Company Representative. to the top of the tank If there Is any chance of water, 12" or more above the tank bottom, in the The tank must be free from flammable vapors prior to removal. One method is to remove all hole. SEE SECTION. 07 FOR BACKFILL MATERIALS. DOCUMENTS: Drawings and specifications are cooperative. Execute work indicated in one as if tank fixtures, except for the tank vent and place solid carbon dioxide (dry ice) in the tank. A indicated in both. Work not detailed or specified must be some quality and type as work detailed minimum of 1.5 lbs per 100 gallons of tank capacity must be added. Plug. all tank openings Piping sholl be laced on or specified. Contractor shall verify all dimensions and conditions on the site. Report at once except the vent and allow the tank to vent. P 9 P prepared bed in such i manner as to minimize points at which one pipe any discrepancies found between drawings, specificotlops and site conditions for adjustment by may cross over another pipe. At points where piping must cross over, a minimum of 2 1/2" must Oompany Representative before starting work in question. Under no circumstances should work Atter tank venting, the vapor space shall be tested by placing the combustible gas indicator probe 03 PRODUCT, VENT BC VAPOR RECOVERY PIPING When i the pipes. In question tee started if a discrepancy is discovered after award of Contract. Terms of contract into the fill opening with the drop lube removed. Readings should be taken at the bottom, When piping is placed on the bed, proceed to "First Test" (below) prior to backfilling trenches, applyto this work. Contractor to keep a complete set of drawings and specifications and any middle and upper portions of the tank, The tank atmosphere must be 20% or less of the lower lemenlol documents on the job at all limes. When the word PROVIDE is used on flammable limit prior to removal. Refer to the probe manufacturer's instructions for testing in MATERIALS: All pipes, fittings, risers, wrapping materials, etc., shall be furnished and installed CLEANING SOLVENTS! Remove any accumulation or accidental spill of pipe cleaning solvents on drawings Supp 1 b the Contractor. Specific materials noted in thus s ecHicotion and/or on plans will be drawings or in specifications, it shall be taken to mean "Furnish and Install" low oxygen, conditions. Y . P P the tank immediately with o clean cloth. After the piping is completed, inspect the responsible f furnished by Company. sump and other collection pants for piping cleaning solvents. Contractor well be responsible for K K Prior to removal, all tank openings should be plugged. One plug should have a 1/8" vent hole LAWS, CODES, ORDINANCES AND REGULATIONS: Laws, Codes, Ordinances and Regulations to prevent excessive pressure buildup, This vent hole must face upward at all limes. All pipe runs are to be of "fiberglass" pipe and sized in accordance with plans. any damage to look resulting from an accumulation of pipe cleaning solvent. which apply to this work must be rigidly followed. Determine handling of any variations REPAIR OF PIPING: Replace any damaged piping immediately. Repair of piping using field cut between plans or specifications and governing ordinances, etc., with Company Representative Plug any corrosion caused holes using screwed boiler plugs. Company Representative will Inspect Flex connectors are to be used at the vent riser base and dispenser base piping connections. holt section of e Is not acceptable. If approved b Company Representative, repair using pipe P Pp Y D Y P q 9 before strling work. the removed tanks, then release the looks for shipment Above round vent riser is to be steel e. manufacturer supplied pipe fittings and procedures is acceptable. Repaired pipe requires 9 P D complete testing or retest using procedures below, All U.L. Labels shall be removed and given to the Company Representative. Black iron pipe or fitting shall be used with diesel fuel. Do not use galvanized pipe or fittings SECONDARY CONTAINMENT FITTINGS: Two piece fittings require more adhesive than normal PRECAUTIONS: Protect adjoining property, earthwork, trees, etc., from damage and give proper written notice of proposed work to adjoining property owners, Repair any damage to adjoining All tanks must be properly labeled prior to transportation from the site. Transport and disposal with diesel fuel. bell and spigot joints. Two 7/16 wrenches or a variable torque impact wrench is required to , properties caused by this operation to satisfaction of Company Representative. Protect completed of the tanks and product lines must be done in accordance with all stale and local regulations. lighten the fittings. Make sure adhesive fills all gaps between pipe ends and fitting sockets. work from damage until accepted by Company Representative. 1. FIBERGLASS PIPE: Pipe and fittings to UL products, for petroleum and alcohol fuels, non- Follow any state or local regulations regarding soil samples or inspection of look hole and/or metallic, for underground piping of petroleum rodu eum rorducts. All pipe will have bell and spigot joints. FLEX CONNECTOR BOOTS; Encase all flex connectors when in contact with soil in an isolation tanks. _ All product piping will have secondary to mnri Vent end--uspeFceser9q- piping do not require boot. Move the isolation to inspect and test all primary piping and flex connector. J MATERIAL: To be new, purchased locally if possible, and of brand herein specified. Brands and secondary containment - - grades specified ore approved and Included to establish type and quality requirements. If When free product is found during any phase of the removal of underground tanks) or piping TESTING OF PIPING: Notify the Company Representative, who MUST observe All tests, at least J Contractor would prefer to substitute brands and grades that ore equal to those specified, system(s), immediately notify the Company Representative. Approved Fiberglass Pipe: 24 hours in advance of any tests. Contractor to coordinate testing with local inspectors and Company Representotive. information on proposed substitutions must be submitted to Company Representative prior to EXCAVATIONS: Excavate oil to the depths required b the Ions. or as instructed b Company p deo n_ 3000 t Pipe System procurement to determine acceptability to Company. Representative. y P q y P y p Y Y / P Y The Contractor is responsible for all tabor, material, and equipment to conduct pressure tests (air SUPERVISION AND COORDINATION: General Contractor is responsible for progress, execution Ih unexpected water condition or rock is encountered, immediately contact the Company Smith Fiberglass, Inc. or hydrostatic) of all product, vent and vapor recovery piping. and quality of COORDINATION: work and is to coordinate and expedite proxcuremenl of materials Representative for instructions before proceeding with the excavation. Red, Thread 11 Pipe System TESTING DEVIATIONS: Do not deviate from the following testing procedures. Perform alternate and performance of work of respective trades and Subcontractors. General Contractor to have testing procedures required by local inspectors after Chevron tests are completed and the some qualified responsible representative who understands and speaks English fluently on the TANK HOLE SIZE IN STABLE SOIL: Size excavation perimeter to allow 24" minimum between Adhesives for Primary Product Piping Adhesives for Vent. Vapor, and Secondary Containment Piping documented job of all times, including time of final inspection. General Conlractorr is responsible for - tanks and 24" minimum between tank sides and end cops and the wall of the lank hole. DS-8014 (Must be Heal Packed) DS-7069 establishing and maintaining all lines, levels and grades shown on plans or otherwise required. DS-8069 r Contractor to maintain site in accessible condition for other tradfes and contractors. 1. FIRST TEST (Prior er Back Filling Pipe Trenches): Do not connect piping to tanks, remote General e - TANK HOLE SIZE IN UNSTABLE SOIL: Unstable soil is defined as having less than 750 IDs /sq Non-metopic fittings are to be those manufactured by the supplier of the pipe being used. pumps test'eor dispensers. Do not seal or install secondary containment fittings until primary piping Fi _ Is tested. }{ - !t. cohesion, as calculated from an unconfined cornpresslon 131, or soils with an ultimate hearing _ . . - The Contractor accepts full responsibility for proper handling and installation capacity of less than 3,500 lbs./sq.ft. Loose some, muck, big, Peat, swamp or landfill where soil Install primary and secondary pipe and fittings in accordance with the manufacturer's instructions. Test the entire piping system, i.e., product, vent secondary containment and vapor recovery RESPONSIBILITY:ofthP , of the fiberglass reinforced plastic (FRP) or composite underground tanks and FRP piping, and Is soft are generally considered unstable soils. shall ensure that good workmanship; practices and construction procedures ore followed during Y 2. STEEL PIPE: (Galvanized or Black Iron) where applicable , in accordance with the following procedure. the handling and installation of the tanks and piping. Size excavation perimeter to allow 24" minimum between tanks and a minimum of half the tank diameter between the tank sides/end caps and the wall of the tank hole. Schedule 40 (ASTM A-120) Steel Pipe The Contractor is responsible for inspection of the tanks for damage upon receipt at the job site. 250 Railroad Unions Step One: Install pressure application system that includes two pressure gauges (15 150# Malleable Iron Fittings psig maximum). Apply pressure air 10 psi into the piping system, Note any visible damage on the delivery receipt. - Filter fabric will be used to line tank hole for FRP tanks in unstable soil. 9 Scop all joints using approved soup solution. The presence of the Company Representative onsite does not relieve the Contractor of the Permanent shoring may be used to stabilize the walls of the tank hole, at the discretion of the Do not use standard couplings typically furnished with the pipe. Carefully observe each joint for evidence of leaks. responsibility for proper tank handling, installation, and safety measures. : - Contractor and/or Company Representative, If permanent shoring is used, follow Stable Solf p HANDLING OF PIPE & FITTINGS. All in installations shall conform to a manufacturer's Step Two: Protect area around piping systems to prevent workmen, passers-by, etc., size criteria. Refer to Alternate Backfill Materials, below. specifications and installation guidelines, pipe from entry, install pressure application system that includes two pressure gauges (150 ` P 9 psi maximum) Apply 100 psi pressure to each piping system, hold for one minute, C TESTING AND INSPECTION! The nature and type of tests and/or inspections do be conducted, in release pressure. Repeat for five cycles. Q addition to those specifically called for on the plans or In the speciflcatloms, will be listed by DEPTH OF TANK HOLE'. Contractor is responsible for establishing rise the Conk hole depth, considering 1. FIBERGLASS PIPE: Careful handling of piping is critical. Prated piping against l abrasion Company Representative under "Scope of Work. The cost of such tests will be poid by the the length of piping runs, to the pump blocks and vent risers, pipe burial depth, yard slope and from sharp or hard objects; impact damage from Improper storage, transporting, laying or Step Three: Repeat Step One. Company. 'I the following criteria; (Measure at the Remote Pump opening). backfilling. Inspect all pipe for damage prior to ireollotion in the piping system. If the Company Representative determines, during the course of consirucfiion, that additional 1, A minimum of 12" of backfill material is required under the tanks. 2. STEEL PIPE.AND FITTINGSt Protect against damage to protective coating/wrapping. Record aft lest results bt the Company-supplied forms Company Representative's es to of 9 9 Ptest is required, After obtaining such approval, the Contractor shall backfill trenches to P Y P sub rode following the requirements f inspections or testing, whether by Company Represenlotive or a testing agency, ore necessary, � � � INSTALLATION REQUIREMENTS: Interior surface of all pipe and fittings must be free from dirt, g 9 q s o Section 02 and materials in Section 07, the Contractor shall cooperate In making arrangements for such tests. If work in question has 2. FRP: The minimiin depth cover covers and and the maximum Is 7'0". pP, 9 not yet been installed and questioned material is satisfactory, payment Nor the lest shall be mode Composite: The minimum depth of cover is i'6" and the maximim is 5'0 scale, metal, fiberglass particles, etc. before connecting. 2. SECOND TEST (After sealing secondary piping) Apply 10 psi to the secondary containment by Company. If the material is unsatisfactory, it shall be replaced at no additional cost to Product piping muss be itched upward conlinuou is from tanks to risers a minimum of 1 4" per system. Soap all joints using approved soap solutions. Company, and .the cost of the test shall be paid by Contractor. 3. Pitch the product lines 1/4" fool from the pumploacks towords the tanks. P 9 P P Y / P foot. Traps or sags will not be permitted. Group all piping and locale as shown on the plans. 3. THIRD TEST (After connecting piping to tonks but prior to bockfitling): Apply pressure air For work already installed (which must be uncovered in order to be tested), if It is detective, the 4. Pilch the vent and vapor return lines 1/4" per foot towards the tanks. Lines are to be Told straight, using fittings for directional and elevation changes. (30 psi max) to test system. This pressure on all lines until paving is completed. There should F Contractor shall bear the expenses of such uncovering, testing, inspecllom Ducal replacement of be no loss of pressure during the remainder of the construction. detective material or construction. If the work is not found defective, Contractor will be allowed 5. Minimum of 2 1/2 inch separation for all fiberglass piping at cross-overs. F an increase in the contract price or an extension of the contract time, or both, directly Minimum of 6 1/2 inch separation between fiberglass piping Do not support piping with foreign objects, such as scraps of wood, pipe, that may damage 4. FOURTH TEST After Backfiliin and Patch Paving): Applies to attributable to such uncovering, testing, etc. in the trench, and the walls of the trench, piping. Use foam supports. ( 9 rd PpDeduct lines after backfill and patching al concrete islands, slabs, and yard pavingis completed. For bedding of piping runs and backfill of pipe trenches, refer to Section 02 and to subsequent Test lines using Petro Tile Hydrostatic Line Testing equipment or approved equal. Company SAFETY: Contractor sholl perform the work in accordance with safe procticees, taking all reasonable SAFETY REQUIREMENT: No person shall enter a tank hole excavation below the 5 ft. deep level portions of this section. precautions to protect the Facility and adjacent facilities, workmen and thre public and providing, unless the walls are shored or the sides sloped as prescribed by current OSHA regulations such as Representative to designate test fluid. Test fluid shall be assigned product, diesel fuel, or water. Conlractpr to comply fully with the Procedure Manual for thhee O where reasonably, necessary, barriers, guards, temporary bridges, lights orad watchmen, While on 54 CFR 45894 and 29 CFR 1926.650, 651, and 652. No exceptions. Slate or local requirements CUTTING OF PIPE: Operation of Line Tester. the remises of Company or its oVil'rotes all of Company's safety rules shall be strictly observed; that are more restrictive than Company specifications are to be adhered to as though specified In Test pressure sholl be 50 P P Y D psi f 1.5 limes operating pressure (1507) fora remote pump system - in particular, smoking shall be limited to such locations and occasions cos are specifically Company specifications. The Contractor is responsible for. any design, materials, equipment, permits. 1. FIBERGLASS PIPE: Cut with o fine-toothed hacksaw blade or on abrasive wheel on a with on allowable tolerance of 0.01D gal/hr. authorized in writing by Company. Contractor shall not perform or pernnit any act on the etc., for shoring or side sloping a hole. circular power Saw. Use a saw guide or Wrap Around' To ensure a square cut end. Cut pipe premises of Company or its affiliates which Involves a fire or explosion tnozard, including - end must be within 1/8" of square.. Vent lines (no phase U vapor recovery): welding, torch cutting and disposal of debris by burning, without prior wiritlen consent of FILL AND BACKFILL: All fill material shall be of a granular nature, free from vegetation and -. Company, extraneous material. Company Representotive shall Inspect and approve the material before it 2. STEEL PIPE: Cut with a hand or power or power-operated pipe cutler, as in normal fitting Unless required by local agency, no second test required. E= E is spread. Spread material In lifts not to exceed 12 inches and tamp thoroughly. When required Practice. The contractor is responsible for certifying that employees and subcontractors ore trained and by local code, General Contractor shall provide a compaction test for certification of fill, - TAPERING & REAMING _ � certified in Hazardous Waste Operations and Emergency Response (HAZWOIPER) in accordance - Toper all cut fiberglass pipe ends to 1-3/4 degrees using one of the Ventlinesand vapor recovery piping (with phase II vapor recovery): CFR Hazardous 20. tapering tools available from the pipe manufacturer. Protect pipe during tapering to prevent Contractor is responsible for vent and vapor recovery piping systems passing any locally with 29 e BALLAST; Use water as ballast under all conditions where ballast is required. damage to pipe. The finish taper shall be smooth, clean and free from surface defects. The WARNING! .Tests indicate that prolonged or repeated exposure to petroleum) substances, in liquid length of toper for 2" diameter pipe is 1-5/8" and for 3" diameter pipe is 1-3/4". For other size imposed test requirements. or vapor form, may be harmful. ..Refer to Material Safely Data Sheets Ifor specific information pipe, consult pipe manufacturer's Instructions. on various petroleum products, DRY HOLE CONDITION: Tanks, with backfill to top of tanks, must be ballasted if there Is any chance that surface or subsurface water will enter the tank hole to a depth of 23" of greater Steel pipe ends are to be reamed. above the bottom of the tanks. Follow manufacturers precautions for fiberglass piping. resins, or solvents .used In assembling the BONDING & ADHESIVE SYSTEMS (Fiberglass Pipe): All fiberglass pipe surfaces to be bonded piping system, .Caution - Do not ballast tanks until backfill is to top of tanks. shall be cleaned with solvent supplied by pipe manufacturer. If tapered section is wet or moist, dry with propane torch - do not overheat or burn the pipe. If temperature is below 60' F (Ili' C), f worm all tapered surfaces prior to applying resin or use epoxy adhesive as recommended by the D U, ® WET HOLE CONDITION: Attempt to pump water from the tank hole to maintain a "Dry Hole manufacturer on oil bell and spigot joints. Mix adhesive thoroughly in accordance with ,7 02 EXCAVATION AND BACKFILL Condition" If unable to obtain a "Dry Hole Condition, notify Company Representative who will manufacturer's instructions and apply to both surfaces. Insert the spigot end into the bell using determine the course of action. Install filter fabric, lie-down "logs and bedding as specified a slight turning motion (one-holt turn too full turn Is necessary) and push, (Supplement to Construction Specifications, M.O.S. 243)) } - elsewhere. Set tank in hole, partially fill with water until it sinks firmly on the bed. Use only enough water to ballast tank until backfill isto top of tank. After backfill to top of tank, fill Apply pressure until mechanical lock is achieved. Maintain bock oxial pressure on all previously tank with water until completion of Installation assembled joints to reduce the chance of separation. _ MARK DATE REVISIONS INRIAL REMOVAL OF EXISTING TANKS AND PIPING SYSTEMS: Contractor will furnish Fpermits, labor ackfill level in the hole during installation. Inspect all fittings for proper alignment And possible "bock-out" of the joints. and proper equipment, except as noted, to remove existing tanks and limes per the following Caution - Ballast level must never exceed water or b procedure. -Do not remove ballast until lank slob has been poured. Do not. set remote pump motor until Follow a manufacturer's recommendations on cure time before disturbing Dints or teslin U.G. TANK AND PIPING ' DID ballast water has been removed from tank, pipe g 1 9r Contractor, as part of the contract, will execute and comply with the Ciorapvny's "Addendum if It is process, doted that the temperature will drop below or F (16' C) of any time during the INSTALLATION Tank Disposal Certification Agreement." curing process, e w heat pt the joints. Only chemical or electrical devices recommended by p - 9 .TANK HOLD-DOWNS (Tie-Downs): . Install hold-down "logs" at all locations with known water pipe manufacturer are acceptable for this purpose. Do not use open flame or sparking devices, o C All tanks and piping shall be removed and disposed of in accordance with the Addendum Tank conditions and at those locations where water is found during tank installollons. Refer to "Tank such as propone torches. to cure resin. C v Disposal Certification Agreement and applicable stale and local regulalicons, Hold-Down" drawing for design, fabrication and Installation requirements, and to Section 05 of 9-2`396 these specifications and drawing F-9 (N-PET-F9P-i.DWG) THREADED JOINTS: Threaded steel pipe joints must be reamed and have clean out, perfect 0 Removal of tanks and lines shall comply with API Recommended Prochice 1604, Removal and - threads and be made u with non-hardening 25650 HWY 99 �0., p g joint compound insoluble In petroleum products a Disposal of Used Underground Storage Tanks - December 1987 and Mauch 1989 supplement. ' approved by Company Representative, ACAMPO, CA. -6" REMOTE TURBINE: Contractor to verify turbine head will be 4above tank bottom. Do not Contractor shall also comply with current NFPA and local regulations, install turbine if turbine shaft length exceeds lank diometer plus burial depth! Typical joint compound: o an Company Representative is responsible for removal of all reusable product from the tanks. Notify Company Representative, who will determine the course of action, if shaft exceeds tank Reclorseal Chevron °i Product will be returned to terminal or other company facility. - - diameter plus burial depth. Gilbarco Pipe Joint Compound Permatex 57 Excavate to the lop of each tank. Care must be taken to prevent breaking any piping and or approved equal L + releasing product in the environment. Prior to starting excavation, the c=dractor shall ensure - Northwest 0- power power is shut off to any circuit, whose conduit may cross the excovaliom. FIBERGLASS TO STEEL PIPE OR FLEXIBLE CONNECTORS: Thread flbergloss threaded-end 9 B Ed adopters into the steel pipe or fitting before bonding onto the fiberglass pipe. Use mate end fiberglass fitting when connecting to flexible connectors. All flexible connectors are mate-swivel by - female. The female end connects to the fiberglass piping. ROBERT H. LEE & ASSOCIATES, INC. ARCHrTE0T1Ji ENCANEEFW40 ENVgON.IEWAL 81!94 158 1137 NORTH McDOWELL BOULEVARD PETALUMA CA. 96954 (707) 765-1660 JOHN W. JOHNSON. ARCHITECT JAMES H. RAY, CIVIL ENGINEER " RHL REVIEW IW11AL DATE DATE: rV CL . PRELIMINARY h_ PLANNING DR. BY: w - STEEL BID ' Z - BLDG PERMIT v3j APPR,: 5G O A GENERAL BID PHIL X 8344.10 Z - � PERMIT REV'S ' U CONSTRUCTION SHEET Z Do nal use drove;, F-7 'S for conslrudion r G - unless inilloled • ' , . 1 2 3 4 5 6 -. 7 B 0 10 11 12 13 14 15 16 17 18