CIVIL WORK FOR DPT SHED EXTENSION

Excavation 0-1.5m deep — Excavation for Footings, Plinth beams, Foundations, pedestals, culverts, pits, trenches, roads etc. as directed, in all soils including soft rock and dis-integrated rock but excluding hard Rock to a depth of 1.5 m below existing Ground level & including stacking within plot boundary, shoring & strutting if any required; taking spot levels on edges & centreline @ 3 to 5m c/c as per specifications; bailing out of water if encountered (until foundation work is complete); providing temporary supports if required. Job includes backfilling of excavated earth in sub-structure to proper grade and level which is excavated and stacked earlier within the Plant boundary, including re- excavating the deposited soil excavated earlier, breaking clods, laying at all depths and heights in layers of thickness not exceeding 200 mm loose thickness, watering, rolling and ramming by manual methods/ mechanical compactors to achieve 95% laboratory maximum dry density, dressing, trimming etc. in foundations, plinths, trenches, pits etc. all complete. The remaining excessive earth is to be carted away, disposed, levelled and compacted to 95% dry density to any other location within Plant boundaries all compete as per instructions of HPCL.

Excavation 1.5 - 3.0 m deep — Excavation for Footings, Plinth beams, Foundations, pedestals, culverts, pits, trenches, roads etc. as directed, in all soils including soft rock and dis-integrated rock but excluding hard Rock to a depth from 1.5m to 3.0 m below existing Ground level & including stacking within plot boundary, shoring & strutting if any required; taking spot levels on edges & centreline @ 3 to 5m c/c as per specifications; bailing out of water if encountered (until foundation work is complete); providing temporary supports if required. Job includes backfilling of excavated earth in sub-structure to proper grade and level which is excavated and stacked earlier within the Plant boundary, including re- excavating the deposited soil excavated earlier, breaking clods, laying at all depths and heights in layers of thickness not exceeding 200 mm loose thickness, watering, rolling and ramming by manual methods/ mechanical compactors to achieve 95% laboratory maximum dry density, dressing, trimming etc. in foundations, plinths, trenches, pits etc. all complete. The remaining excessive earth is to be carted away, disposed, levelled and compacted to 95% dry density to any other location within Plant boundaries all compete as per instructions of HPCL.

Earth work in filling — Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation.

Anti-termite treatment — Supplying and injecting with approved quality chemical emulsion at the rates and concentrations as per IS 6313-1981 Part II for pre constructional anti termite treatment and creating a chemical barrier under and all-round the column pits, foundation, wall trenches, plinth filling, junctions of wall and floor, expansion joints, apron, surrounding of pipes, conduits etc., along the perimeter of the building/shed including all bye works complete as per specification and direction of Engineer (only ground floor plinth area of the building will be measured for the payment. Work to be executed by M/s Pest Control (India) or any other approved agency and specified guarantee for 10 (ten) years shall be furnished by the bidder. The anti-termite treatment shall be provided as per BIS 6313(Part-2)-latest revision. The chemicals used shall be any one or combination of the following with concentration shown against each in aqueous emulsion: Chemicals concentration: Chloropyrifos(20% EC) 1% by wt(IS:8944-latest rev),Lindane(20% EC)-1% by wt. (IS:632 latest rev) or Imidacloprid(30.5% SC).in case Lindane is banned,same shall not be used. The various steps & rates of application given in IS:6313(Part-2) shall be followed.

Supply & Laying PCC 1:3:6 — PCC 1:3:6 : Providing and laying in position plain cement concrete under foundations, plinth beam, floors, drains, etc. as specified in any shape, level, thickness, position and finishing the top surface smooth etc. all complete as directed by HPCL EIC, including the cost of centering and shuttering, tamping, ramming, curing, etc. - All work up to plinth level. PCC shall be of Nominal Volumetric Mix 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

Supply & Lay RCC M25 below — Supplying and Providing of design mix, Reinforced Cement Concrete of M25 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced, using approved super plasticizer, designing concrete mix following I.S. 10262 and I.S. 456, minimum cement content, W/C ratio as per IS 456, moderate exposure and standard general notes of drawing, depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification & direction of the Engineer-in-charge all accessories, vibrators etc. inclusive of all other incidental charges in this connection(excluding Shuttering and Reinforcement) for Below Ground Concrete for Foundation, trenches, pile caps, pits, grade slabs, etc. and any other works all complete as per Drawings, Specification and instruction of Engineer. For design mix, Moderate exposure shall be considered and Design mix shall be as per IS:456-2000 & IS: 10262 and same shall be carried out by a Lab/Agency/Institution approved by HPCL. RMC will be permitted based on prior inspection by HPCL.Cement of approved make only shall be permitted.

Supply & Lay RCC M25 above — Supplying and Providing of design mix, Reinforced Cement Concrete of M25 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced, using approved super plasticizer, designing concrete mix following I.S. 10262 and I.S. 456, minimum cement content, W/C ratio as per IS 456, moderate exposure and standard general notes of drawing, depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification & direction of the Engineer-in-charge all accessories, vibrators etc. inclusive of all other incidental charges in this connection(excluding Shuttering and Reinforcement) for Below Ground Concrete for Foundation, trenches, pile caps, pits, grade slabs, etc. and any other works all complete as per Drawings, Specification and instruction of Engineer. For design mix, Moderate exposure shall be considered and Design mix shall be as per IS:456-2000 & IS: 10262 and same shall be carried out by a Lab/Agency/Institution approved by HPCL. RMC will be permitted based on prior inspection by HPCL.Cement of approved make only shall be permitted.

Supply & Lay RCC M20 grade — Supplying ready mixed concrete of M 20 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer, designing concrete mix following I.S. 10262 and I.S. 456, transporting the mix with agitation in transit mixer towork site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work compacting and curing the same complete as per specification & direction of the Engineer-in-charge including computerised batching plant transit mixer with all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its supporting staging which would be paid through separate item. [cement to be supplied by the Manufacturer/ supplier]

Centering and shuttering below — Below ground Shuttering: Providing and fixing shuttering with centering and necessary staging using approved stout props with required bracing for foundations, footings, pile caps, retaining walls, jambs, counter-forts, buttresses, trenches, equipment/machine foundations, pedestals, abutments, pipe sleepers, concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after specified period etc. keeping necessary provision for inserts, projecting dowels, anchor bolts or any other fixture etc. all complete and as specified and directed. (for all heights and depths). Straight -steel shuttering or 12 mm thick approved quality ply board shuttering in any concrete work Below Ground. Ply conforming to IS 4990. Formwork as per IS 14687 latest as per detailed specifications in tender.

Centering and shuttering above — Above ground Shuttering: Providing and fixing shuttering with centering and necessary staging using approved stout props with required bracing for foundations, footings, pile caps, retaining walls, jambs, counter-forts, buttresses, trenches, equipment/machine foundations, pedestals, abutments, pipe sleepers, concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after specified period etc. keeping necessary provision for inserts, projecting dowels, anchor bolts or any other fixture etc. all complete and as specified and directed. (for all heights and depths). Straight -Steel shuttering or 12 mm thick approved quality ply board shuttering in any concrete work Above Ground. Ply conforming to IS 4990. Formwork as per IS 14687 latest as per detailed specifications in tender.