CONSTRUCTION OF DYKE WALL & TANK FARM DEVELPMENT

Excavation Up to -1. — . For foundations of Dykewall/Wall, Roads, Driveways, Pedestals etc. or any other place, in ordinary soils including soft rock/disin grated rock, in both dry and wet conditions.2. Job Includes pumping and bailing out surface and subsoil water, shoring, strutting a required as per site condition, slush removal, including backfilling etc, in layers at all heights and depths as per drawing and spe fications wherever required and watering, compacting, all complete as per instructions of HPCL., in foundation pits, under floors an other places with excavated suitable surplus earth, including reclaiming from spoil heaps kept elsewhere including dressing and leve ing, watering and mechanical compaction etc. Including removal of vegetation, shrubs and debris, cutting and dressing of sides in sl es, levelling, grading & ramming of bottoms, dewatering of accumulated water from any source and keeping the surface dry for subsequ t works.3. Transporting surplus soil to unobjectionable place within boundary limits and spreading in layers.Note: The measurement or payment shall be for theoretical volume only based on initial and final levels jointly recorded and it shall be the volume of the lock of the excavation having maximum bottom dimension of the foundation as per drawing. The contractor shall take into account in h rate, the provision for excess excavation for necessary working space, slope, steps etc. required for excavation, safety and other lied works and refilling the side slopes and working space etc. Job to be completed as per attached technical specification/codal pr isions/ sound engineering practices and as directed by EIC complete.Scope also includes removal of trees, stumps and roots to full tent, removal of all vegetation including bushes and grass, dewatering, taking spot levels, levelling, dressing and rolling of the e avated surface, loading, transportation of surplus earth to an unobjectionable place inside the site premises, spreading, levelling per instructions of the engineer in charge. Job also includes backfilling of excavated earth as directed by HPCL at no extra cost i excavated place like foundations, pits etc.The job to be executed as per attached technical specifications, job procedures etc. com ete and as directed by EIC."

PCC-1:3:6 ( M10 Grade ) — oviding and laying plain cement concrete of following grades with 20 mm and down size graded aggregates for For Drain, Foundation, P nth Protection, Plinth Beam Base, Brick Masonry Bonding, Trenches, Coping Of Wall, & Any Other Concreting Work Etc, At All Depths An Height Complete as per HPCL requirement including any required shuttering, machine mixing, tamping, ramming, curing, etc all complet at all levels as per attached technical specifications / Codal provisions, drawings, job procedures etc and instructions of HPCL eng eer-in-charge.

PCC-1:2:4 — pplying and Laying Plain Cement Concrete of Mix (1:2:4) with stone aggregate of 20mm down size (including Shuttering if required) in or Impervious Layer of Tank Farm Area, foundations, sand pad foundation slopes, Floors, Pits, trenches, drains or where ever require for completing the job, at all depths and height complete all as per Drawings and Specifications and instruction of the Engineer In- arge. Rate to include providing 20mm wide expansion joint with 20 mm thick impregnated fibre board, top filled with 15 mm x 20 mm po sulphide sealant. The job to be executed as per attached technical specifications, job procedures etc. complete and as directed by E .

RUBBLE SOALING — oviding and laying 230 mm thick or specified thickness dry trap rubble stone soling including hand packing, filling the interstices th chips, spalls and binding with grit and selected murrum/machine sand, watering, compaction by hand ramming and rolling with 1 met hand roller/plate compactor etc. and job to be completed as per attached “standard specifications for soling”.

RCC-M25 Grade — roviding and laying RCC with approved design mix for following using 20 mm downgraded coarse aggregate as per IS 456-2000 (with Late amendments) at all depths and heights in all types of foundations, Footings, columns, pedestal, wall, beams, brackets, Floors & Dri ways, slabs of all shapes, sills, parapets, bands and any other works both below Ground and in superstructures including providing a fixing shuttering form work with approved quality supports, scaffolding, machine mixing, compacting by mechanical vibrators, curing etc complete as per Attached technical Specification and as per direction of engineer in charge. Concrete Ingredients shall conform IS 456-2000 with latest amendments. The Cement content shall be governed by design mix. Rate shall be exclusive of the cost of supp ing and providing steel Reinforcement, which will be paid under a separate item Cement shall conform to IS 8112 43 grade/ IS 12269-5 grade OPC or IS 1489 PPC. Entire Cement concrete job need to be carried out thru Automatic Weigh batcher (Fixed/mobile (Preferably A X Mobile Mixture or equivalent approved from EIC)).The scope of mix design is included in the scope of bidder and the same to be ve ed by reputed engineering institute approved by HPCLRate to include the following:• The job includes providing, mixing, placing, c pacting, curing of RCC with specified grade of concrete, and formwork as required to complete the work in all respects.""• Repairin of the edges and grouting the concrete for the same.• Curing for 15 days for all the RCC work done.• Rate quoted by contractor sha be inclusive of carrying out all field tests like slump test, casting of cubes and all lab tests like cube compression tests for bo 7 days as well as 28 days."

RCC-M25 Grade - DYKE WALL — roviding and laying RCC with approved design mix for following using 20 mm downgraded coarse aggregate as per IS 456-2000 (with Late amendments) at all depths and heights in all types of foundations, Footings, columns, pedestal, wall, beams, brackets, Floors & Dri ways, slabs of all shapes, sills, parapets, bands and any other works both below Ground and in superstructures including providing a fixing shuttering form work with approved quality supports, scaffolding, machine mixing, compacting by mechanical vibrators, curing etc complete as per Attached technical Specification and as per direction of engineer in charge. Concrete Ingredients shall conform IS 456-2000 with latest amendments. The Cement content shall be governed by design mix. Rate shall be exclusive of the cost of supp ing and providing steel Reinforcement, which will be paid under a separate item Cement shall conform to IS 8112 43 grade/ IS 12269-5 grade OPC or IS 1489 PPC. Entire Cement concrete job need to be carried out thru Automatic Weigh batcher (Fixed/mobile (Preferably A X Mobile Mixture or equivalent approved from EIC)).The scope of mix design is included in the scope of bidder and the same to be ve ed by reputed engineering institute approved by HPCLRate to include the following: 1. For Construction of Reinforced Cement Concret (RCC) work for PRODUCT Tank’s Dyke Wall, vendor shall ensure that the entire structure is in plumb and straight along both length an height. Suitable shuttering and formwork (Steel Plate Shuttering/MS Formwork/Plywood with Steel Stiffeners/High- quality marine plyw d with steel channels) shall be used wherever required to achieve the desired alignment and finish. 2. Providing and laying Reinforc Cement Concrete (RCC) of grade M-25 with a waterproofing compound (conforming to IS: 2645) at the recommended dosage, including for ork, compacting, curing, and necessary scaffolding, as per approved drawings, mix design, and IS: 456-2000. The waterproofing compou shall be integral type (such as liquid or powder admixture) as per the manufacturer’s specifications and shall conform to the requi ments of IS: 2645 for water-resistant properties.3. The job includes providing, mixing, placing, compacting, curing of RCC with spe fied grade of concrete, and formwork as required to complete the work in all respects.""4. Repairing of the edges and grouting the ncrete for the same.5. Curing for 15 days with suitable size jute bags/water spray.6. Rate quoted by contractor shall be inclusive f carrying out all field tests like slump test, casting of cubes and all lab tests like cube compression tests for both 7 days as we as 28 days."

Reinforcement - Fe500 Grade — upplying and placing in position High Yield Strength Deformed bars/TMT Bars conforming to IS:1786 (Latest Edition), Fe 500D for RCC rks at all heights/line/levels etc. including Transporting the steel, straightening, cleaning, decoiling, cutting, cold bending to r uired shapes and lengths as per Specifications, binding with contractor's own 20 SWG black soft annealed binding wire at every inter ction, supplying and Placing with proper cover blocks, supports, chairs, overlaps, spacers, etc all complete as per bar bending sche le approved By HPCL EIC. Measurement will be made under this item for authorized laps only. No extra payment shall be made towards w tage.Job to be completed as per attached technical specification/codal provisions/ sound engineering practices and as directed by E complete."

Brick work — oviding brick work (Burnt Clay) with frog / indent, conforming to IS 1077 having minimum crushing strength of 35 kg/cm2, in 1:5 ceme mortar in all types of foundation and superstructure at all depths/ heights including bands, projections, pillars, parapets, orname als of any shape, cornices, all complete including soaking of Bricks prior to use, cut work, curing, scaffolding and racking of join to 1cm deep, etc., with all bye-works as per specifications, drawings and directions of the Engineer. Job to be completed as per “S ndard Specification for Brick Masonry” as attached under technical specifications of tender and as directed by EIC complete.

Plaster 20mm — roviding and laying average 20 mm thick Sand face plaster on surfaces of Drain, Fire Break wall, Other Walls and at places directed EIC as per following procedure:a) Apply 12 mm thick coat of cement mortar 1:4 mixed with Impermo/ Accoproof/ Cico No.1 water proof g compound mixed as per manufacturer's specification as 1st coat and leaving the surface rough. b) Apply 2nd coat of 8 mm thick of c ent mortar 1:4 and finishing the surface by rubbing with sponge till uniform texture is obtained. Rate shall include providing neces ry scaffolding, supplying & providing GI chicken wire mesh of 50 mm x 50 mm size, 20 SWG for entire surface area of the plastering w k at all joints of brick and concrete surfaces, with a minimum overlap of 150 mm in all directions and curing complete. No extra pay nt shall be made for additional thickness, if required to achieve perfect line and level. Job to be completed as per attached ""Stan rd Specification for Plastering works"" and as directed by EIC complete."

EXTERNAL PAINTING — oviding and applying two coats of external weather resistant cement-based paint (apex)of approved quality and shade as approved by e ineer in charge, at all locations over and including a priming coat over wall surface, bands, parapet etc., including preparation of urface complete with all bye works complete as per specification and direction of the engineer. As required complete as per attached echnical specification and as directed by HPCL EIC.