SPECIAL REPAIR TO SEWAGE LINE FOR CONNECTING CENTRAL SEWAGE OF KAREN LINE UNDER GE PANAGARH.

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil even in foul position, complete all as specified and as directed by Engr-in-Charge.

All as per item no. 1 here-in-before but exc 1.5 m depth and not exceeding 3.0 m, complete all as specified and as directed.

Excavating in trenches, n exc 1.5 m wide but exc 3.0 m depth and not exceeding 4.5 mtrs. in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in any type of soil even in foul position, complete all as specified and as directed by Engr-in-Charge.

All as per item no. 3 here-in-before but exc 4.5 m depth and not exceeding 6.0 m, complete all as specified and as directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in hard/dense soil even in foul position, complete all as specified and as directed by Engr-in-Charge.

Demolition of cement concrete (un-reinforced) not exceeding 15 cm thickness (above or below ground level), complete all as specified and as directed.

M&L for Brickwork with fly ash bricks, straight or curved on plan exc 6 m mean radius, built in CM 1:4, complete all as specified and as directed.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point, complete all as specified and as directed.

M&L for Moorum/red bajri filling in foundations laid in layers n exc. 15 cm thick, spread, levelled and rammed including watering , complete all as specified and as directed.

M&L for PCC 1:3:6 type D-2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete, complete all as specified and as directed.

M&L for 20 mm thick rendering in cement mortar (1:4) inside and outside brick wall of manhole /septic tank /concrete surfaces/brick drain even and smooth without using extra cement, complete all as specified and as directed.

Supply only Integral Water proofing compound, complete all as specified and as directed.

M&L for plain cement concrete type B0,1:2:4 using 12.5mm graded stone aggregate as in benching, bed block, coping of manhole , complete all as specified and as directed.

M&L for plain cement concrete type B1,1:2:4 using 20 mm graded stone aggregate as in benching, bed block, coping of manhole , complete all as specified and as directed.

Demolition of reinforced cement concrete as in cover slabs of manhole or septic tank, soak pit and walls , basement walls and in foundation, complete all as specified and as directed.

S&F SFRC (Steel Fibre Reinforced Concrete) Manhole Cover with Frame, Shape round/square, (40 to 50 Kg approx ) set at the top of the manhole at site complete as per manufacturer instruction and as directed by Engineer-in-Charge.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, mounds, mitred/stopped end etc, complete all as specified and as directed.

M&L for PCC Cement concrete type B- 2, 1:2:4 100 mm thick (40mm graded stone aggregate) as in sub base, complete all as specified and as directed.

M&L for Chequered cement concrete tiles 20cm x 20cm x 25mm thick with grey cement and pigments, complete all as specified and as directed.

Demolition and breaking up drain pipes of internal dia 150mm (SGSW/PVC/RCC etc) set in cement mortar including bed concrete and removal of debris to low lying area of distance not exceeeding 100m ,complete all as directed by Engr-in-Charge.

M&L for Concrete bed to 150 mm dia drain pipes including packing under and haunching against the sides of pipes after they are laid and tested in PCC 1:3:6 type C2 using 40mm graded stone aggregate, complete all as specified and as directed.

M&L for laying Reinforced concrete pipes 150 mm in dia, class NP2, laid and jointed with collars, complete all as specified and as directed.

M&L for Concrete bed to 200 mm dia drain pipes including packing under and haunching against the sides of pipes after they are laid and tested in PCC 1:3:6 type C2 using 40mm graded stone aggregate, complete all as specified and as directed.

M&L for laying Reinforced concrete pipes 200 mm in dia, class NP2, laid and jointed with collars, complete all as specified and as directed.

M&L for Concrete bed to 300 mm dia drain pipes including packing under and haunching against the sides of pipes after they are laid and tested in PCC 1:3:6 type C2 using 40mm graded stone aggregate, complete all as specified and as directed.

M&L for laying Reinforced concrete pipes 300 mm in dia, class NP2, laid and jointed with collars, complete all as specified and as directed.

Supplying and laying UPVC Eco drain Hi-tech pipe drainage sewer system pipe bearing 160 mm dia minimum 4mm thick incluing jointing with coupler, bend tee as per site requirement complete laid in trenches or floors, complete all as specified and as directed. (Note:-Necessary PCC haunching/benching/packing shall be measured and paid separately).

Cleaning of existing manhole of any size of depth of manhole exc 3.00 but not exc 4.50 m by bailing out water/sewage by mechnicla pump including mouth of sewage line and removing sludge/debris to a distance n. exc 50 and burried in the ground, complete all as specified and as directed.

M&L for Soling 200 mm (or sub base) with broken boulders or quarried stone, interstices filled, surface formed and rolled and considered to required gradient and camber, complete all as specified and as directed.

M&L for WBM 150 mm thick (compacted thickness) in 02 layers (each layer 75 mm thick) , with coarse aggregates (basalt type of aggregate) of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient and camber required with preparing unsurfaced WBM by brushing with wire brushes for removing mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc, complete all as specified and as directed.

M&L for applying evenly a priming coat with bituminous primer using paving bitumen at 10 Kg per 10 Sqm surfaces, complete all as specified and as directed.

M&L for premixed bituminous macadam 50 mm thick over primed surface of road using paving bitumen any penetration,laid/rolled and compacted to required gradient and camber (consolidated thickness 75mm or less) . Binder contents of premixed macadam shall be 4% by weight of total mix complete all as specified and as directed.

M&L for applying evenly a priming/tack coat with bituminous primer using paving bitumen at 5 Kg per 10 Sqm surfaces, complete all as specified and as directed.

M&L for bituminous premix semi-dense asphaltic concrete 40 mm (average) consolidated thickness with 5.5% binder content (Paving bitumen any penetration) by weight of total mix (Design mix), by means of self propelled mechanical spreader/paver, rolled and compacted to required camber and gradient by using mechanical power road roller 8 to 10 tonne capacity, complete all as specified and and as directed.

Schedule of credit

Note :- (i). The rates of excavation items deemed to be included for dewatering and timbering or battering and/or benching of sides of excavation to avoid collapse during exacavtion of Sewage line & Sewage Sump . (ii). Qty . of excavation will be admissible for Sewage sump till the offset of lean concrete, no extra allowance is admissible on excavation. The contractor shall quote the rate accordingly.

BABY ENGINEERING ELECTRICAL MECHANICAL STORES

Prasur Electricals & Engineering Co.

NIRMAL SALES CORPORATION