Civil works for Tank farm CBOT

EARTHWORK — Excavation Up To 1.5 Meter Earth Work Excavation In All Types Of Soil For Depth Up To 1.5 Meter For Pile Cap of Abutment Wall. Filling Including Dewatering, Consolidating, Shoring (Shoring/Strutting Design Need To Be Submitted By The Contractor And The Same To Be Approved By HPCL/Consultant) And Disposed Off Suitably To Contractors Dumping Yard Shall Be Included In Rates.

SPLY AND BACKFILLING OF — BACKFILLING WITH IMPORTED MURRUM: SUPPLYING AND BACKFILLING MURRUM FOR GRADING, BELOW ROAD/GRADE SLAB OF APPROVED QUALITY , INCLUDING IDENTIFYING AND LOCATING OF BORROW PITS, EXCAVATION AT BORROW PITS OUTSIDE PLANT PREMISES, PAYMENT OF ROYALTY TO OWNER OF BORROW PIT, IF APPLICABLE, PAYMENT OF APPLICABLE ROYALTIES, TAXES, ETC TO STATUTORY AUTHORITY FOR OPERATING THE BORROW PIT; LOADING AT BORROW PIT END; TRANSPORTATION FROM BORROW PIT TO PLANT PREMISES; REMOVING DEBRIS, ORGANIC MATTER, ETC; SPREADING IN LAYERS NOT EXCEEDING 200 MM LOOSE DEPTH; DEWATERING DURING COURSE OF FILLING, WATERING, COMPACTING EACH LAYER WITH 8-10 TON VIBRATORY POWER ROLLER WITH WATERING AND SPREADING TO OBTAIN 98% OF MODIFIED PROCTOR MAXIMUM LABORATORY DRY DENSITY ALL COMPLETE AS PER SPECIFICATIONS AND INSTRUCTIONS OF HPCL ENGINEER-IN-CHARGE.Providing and laying of murrum in multiple layers of each 200mm thickness and specified thickness of total 1100mm thick compacting each layer with 8 - 10 ton vibratory power roller with watering and spreading by to required profile and compacting with vibratory roller including all material, labour, machinery with all leads and lifts etc.complete. Compacting each layer to obtain the 98% of modified proctor density including all labour charges, testing charges, and including hire charges all tools and plants employed and all their incidental charges etc. The rate including field density test at every intervel of 5.0m clc on both direction as per relavent IS code (as per clause of 401 Morth Specification). Note: Not considered the compaction factor value in the material quantities

SPLY AND LAYG OF WMM — PROVIDING WET MIX MACADAM PROVIDING, LAYING, SPREADING AND COMPACTING GRADED CRUSHED STONE AGGREGATE TO WET MIX MACADAM AS PER SPECIFICATIONS, INCLUDING COST OF ALL MATERIALS, INCLUDING PREMIXING THE MATERIAL WITH WATER AT OMC IN MECHANICAL MIX PLANT, CARRIAGE OF MIXED MATERIAL BY TIPPER TO THE SITE, LAYING IN UNIFORM LAYERS WITH PAVER IN BASE COURSES ON WELL PREPARED SURFACE AND COMPACTING WITH VIBRATORY ROLLER OF SPECIFIED WEIGHT TO ACHIEVE THE DESIRED DENSITY, TO PROPER GRADE AND CAMBER, INCLUDING BARRICADING, DIVERSION OF THE TRAFFIC, ALL LABOUR CHARGES, HIRE CHARGES OF THE MACHINERY, CONSUMABLES ETC, COMPLETED AS PER THE DIRECTION OF THE EIC AND AS PER MORTANDH SPECIFICATION 406 (5THREVISION) FOR FINISHED ITEM OF WORK. PAYMENT WILL BE MADE FOR THE COMPACTED THICKNESS BASED ON THE INITIAL AND FINAL FINISHED LEVELS. PROPER SLOPE IS TO BE MAINTAINED USING THE WET MIX MACADAM FOR THE AREA TO BE ASPHALTED. MEASUREMENT: THE QUANTITY OF WET MIX MACADAM SHALL BE COMPUTED IN CUBIC METERS.Providing and laying and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site. Wet Mix Macadam in three layers of each 100mm thickness and specified thickness, the total thickness of 200mm compacting each layer with 8 - 10 ton vibratory power roller to obtain the 98% of modified proctor density. The layer shall be rolled including premixing in well graded crushed stone aggregate, with watering and spreading by to required profile and compacting with vibratory roller including all material, labour, machinery with all leads and lifts etc.complete and including all labour charges, testing charges and including hire charges all tools and plants employed and all their incidental charges etc. The rate including field density test at every intervel of 5.0m clc on both direction as per relavent IS code (as per clause 406 of MORTH Specification Rev-5). Note: Not considered the compaction factor value in the material quantities

SPLY AND FILG OF M-SAND — SUPPLYING AND FILLING M-SAND OF APPROVED QUALITY UNDER FLOORS, IN FOUNDATION AND PLINTH ETC INCLUDING THE COST OF SAND, TRANSPORTATION FOR ALL LEADS, LOADING, UNLOADING SPREADING IN LAYERS OF 15 CM THICKNESS (FOR MORE THAN 15CM THICKNESS) AT ALL DEPTHS, WATERING, RAMMING, COMPACTING TO REQUIRED DEPTH, LEVELLING ETC COMPLETE.INCLUDES IN CABLE TRENCHES ETC COMPLETESupplying and laying of approved quality M SAND complete as per drawing and specification and direction of the Engineer In-charge at all depths. Job includes taking levels before and after compaction and testing.

SPLY&LAYG OF IMPERVIOUS — IMPERVIOUS LAYER , TANK FABRICATION, SUPPLY AND LAYING OF IMPERVIOUS LAYER OF SUITABLE MATERIAL SUCH AS EPDM (ETHYLENE PROPYLENE DI-MONOMER) LINER/POLYETHYLENE SHEETS/HDPE LINERS INSIDE THE DYKE AREA TO PREVENT INGRESS OF HYDROCARBONS/CHEMICAL INTO GROUND WATER. THE JOB INCLUDES SUPPLYING AND LAYING, FIXING, BASE PREPARATION, ALL MATERIAL AND LABOUR COMPLETE. HPCL RESERVES THE RIGHT TO DO RANDOM SAMPLING AND TESTING AS PER IS CODES AND STANDARDS OR ANY APPROVED SPECIFICATIONS.Supplying and laying of approved quality of 1000 micron thick high density polyethylene (HEPE) sheet, the specification and direction of the Engineer In-charge. Density Technical Specfication: 1) Density at 230 Cgm/cm3 0.958 as per ASTM D1505, 2) Tensile Strength @ Yield (50mm / min) 29MPa as per ASTM D638, 3) Tensile Strength @ Break (50mm / min) >22MPa as per ASTM D638, 4) Hardness Shore D 65 as per ASTM D2240, 5) 8 Flexural Modulus 900MPa as per ASTM D790A

SPLY AND LAYG OF PCC — SUPPLYING AND LAYING PLAIN CEMENT CONCRETE OF VOLUMETRIC MIX 1:2:4 (1 CEMENT: 2 SAND: 4 COARSE AGGREGATES)GRADE CONCRETE WITH 20 MM DOWNGRADED COARSE AGGREGATE FOR APRONS, PITS, DRAINS, BED BLOCKS FOR GROUTING "Y/U" ANGLES ETC IN SUB- STRUCTURE. INCLUDING SHUTTERING IF REQUIRED) IN FOUNDATION, SCREED, APRONS, PITS, DRAINS, STEPS, ETC., AT ALL LEVEL AS PER DRAWINGS, SPECIFICATIONS AND INSTRUCTION OF ENGINEER. CONCRETE CUBES TESTED ON 28 DAYS SHALL GIVE A RESULT MEETING M-15 REQUIREMENTS OF IS 456.Supplying And Laying Plain Cement Concrete OfVolumetric Mix 1:2:4 (1 Cement: 2 Sand: 4 Coarse Aggregates) Using 43/53 Grade Ordinary Portland Cement With 20 mm Downgraded Coarse Aggregate In Foundation, and Sub-Structure Etc., At All Level As Per Drawings, Specifications And Instruction Of Engineer.

SHUTTERING — SUPPLYING AND PROVIDING SHUTTERING WITH APPROVED STEEL SHEETS OR ANY OTHER NON- FLAMMABLE MATERIAL (APPROVED BY HPCL ) INCLUDING CENTERING, STRUTTING, PROPPING TO THE REQUIRED LEVELS AND SIZES, DE SHUTTERING AFTER COMPLETION OF REQUIRED DURATION AS MENTIONED IN IS-456, 2000, HOUSEKEEPING ETC. WOODEN SHUTTERING IS NOT ALLOWED. ONLY STEEL SHUTTERING TO BE USED.Design of formworks/props formwork for all type of elements like a strip raft, RCC Walls, Slabs & Crash Barrier Wall by a qualified competent structural engineer and should be so designed constructed and maintained that it will safely support all loads that may be imposed on it. Formwork should be so designed and erected that working platforms, means of access, bracing and means of handling and stabilizing are easily fixed to the formwork strcuture. The step-by-step method of installation, job safety analysis should be submitted for the same.

RCC M30 IN SUB STRUCTURE — PROVIDING AND LAYING REINFORCED CEMENT CONCRETE OF M30 GRADE WITH 20 MM AND DOWN SIZE GRADED CRUSHED STONE AGGREGATES/ GRAVEL AND PORTLAND SLAG CEMENT (INCLUDING SINGLE POUR CONCRETING AS SPECIFIED ON THE DRAWING), APPLYING CEMENT WASH ON CONCRETE SURFACE (WHEREVER NO OTHER SURFACE APPLICATION IS SPECIFIED), PROVIDING POCKETS, OPENINGS, RECESSES, CHAMFERING ETC., WHEREVER REQUIRED, VIBRATING, TAMPING, CURING AND RENDERING IF REQUIRED TO GIVE A SMOOTH AND EVEN SURFACE, KEEPING STANDBY FOR ADEQUATE SETTING TIME AND CARRYING OUT QA/QC TESTS AS PER SPECIFICATIONS, USAGE OF NECESSARY MACHINES AND EQUIPMENTS, MANPOWER, FUEL, ELECTRICITY ETC. (EXCLUDING THE COST OF REINFORCEMENT, SHUTTERING AND SPECIFIED ADMIXTURES) IN SUB-STRUCTURE FOR PORTALS, FORE SHAFT & OTHER SURFACE WORKS; E.G. FOUNDATIONS, RAFT, BEAMS, SLABS, RETAININGWALLS (OTHER THAN SHAFT TOP), DYKE WALLS, COUNTERFORTS, PEDESTALS, PIPE SLEEPERS, RESERVOIR, COLUMNS ETC. INCLUDING ANY OTHER MISCELLANEOUS WORKS FOR VARIOUS PURPOSE AND IN ANY SHAPE (INCLUDING CURVED & PLAIN), POSITION AND THICKNESS ETC. HSE MONITORING,TECHNICAL MANAGEMENT, QA/QC CONTROL & TESTING, TRAFFIC MANAGEMENT, FIELD ENGINEERING SERVICES INCLUDING PREPARATION OF FABRICATION DRAWINGS AS PER TENDER SPECIFICATIONS, DRAWINGS, SPECIFICATION FOR MEASUREMENT AND PAYMENT AS PER DIRECTION OF ENGINEER-IN-CHARGE, ALL COMPLETE AS SPECIFIED, SHOWN AND DIRECTED. ALLMATERIALS INCLUDING CEMENT SUPPLIED BY THE CONTRACTOR.Providing And Laying Reinforced Cement Concrete With M-30 Grade Design Mix As Per IS: 456-2000 For Piles, Pile Caps, RCC Wall, Top Slabs & Crash Barrier Walls of Structures Etc. And As Directed By Engineer In Charge At All Heights And using 20 mm And Down Size Graded Crushed Aggregate Including Providing And Fixing Steel Shuttering For Form Work With Approved Quality Supports, Scaffolding, Machine Mixing, Compacting By Mechanical Vibrators, Curing, Etc. And As Per Direction Of Engineer In Charge. Concrete Ingredients Shall Conform To IS: 456-2000. The Cement Content Shall Be Governed By Design Mix Or Soil Characteristics As Per Soil Investigation Report (Report Shall Be Forwarded To The Successful Bidder), Whichever Is Higher. Rate Shall Be Exclusive Of The Cost Of Steel Reinforcement. The Scope Of Mix Design Is Included In The Scope Of Bidder And The Same To Be Vetted By Reputed Engineering Institute Like Iit, Bits Or Any Other Reputed Institute Approved By Hpcl. Cement Shall be OPC Confirming To IS: 8112: Latest Edition (43/53 Grade) And As Directed By Engineer In Charge Complete.

REINFORCEMENT STEEL — Supplying and placing in position HIGH STRENGTH DEFORMED STEEL REINFORCEMENT (conforming to IS:1786, Grade Fe 500), for R.C.C. work including transporting the Steel, straightening, cleaning, decoiling, cutting, bending to required shapes and lengths as per details, binding with contractor's own 16 SWG black soft annealed binding wire at every intersection, supplying and placing with proper cover blocks, supports, chairs, overlaps, welding, spacers, fanhooks etc. for all heights and depths etc. all complete as directed.(SUPPLY OF ALL MATERIAL IN CONTRACTOR'S SCOPE).Supplying, Fabricating And Fixing In Position TMT Grade Fe500D Reinforcement Steel Conforming To IS: 1786 At All Levels And Positions Including The Cost Of Transport, Straightening, Cutting, Bending, Cranking, Welding, Provision Of Necessary Chairs And Spacers, Preparation Of Bar Bending Schedule And Getting The Same Approved By Engineer-In-Charge. Etc. Complete As Per Drawings And Specifications And Including Cost Of Binding Wire, Labor, Testing Etc. All Complete In All Respects As Per Detailed Construction Drawings, Technical Specifications And Direction Of Engineer-In-Charge. The Laps, Chairs And Spacer Bars Provided Will Not Be Measured For Payment. Note: Not including the lap and weastage weights

SPLY & LAYG BITUMINOUS — PROVIDING AND LAYING BITUMINOUS BOUND MACADAM SURFACE 75 MM THICK AFTER COMPACTION INCLUDING SUPPLYING ALL MATERIALS SPREADING 40 MM SIZE TRAP METAL LAYERS AND KEY AGGREGATES HEATING AND SPRAYING BITUMEN OF GRADE IS GRADE S-65 WITH PENETRATION 60/70 AT THE RATE OF 200 KG/100 SQ.M AND COMPACTING AFTER FINISHING BY 6 MM THICK LAYER OF GRIT TO THE SATISFACTION OF THE ENGINEER WITH A ROLLER NOT LESS THAN 10 METER.Supplying and laying of bituminous layer / Oil sand pad layer thickness of 75mm below tank bottom plate as per API code