Public Works Department Tender

Extra for additional depth of 1.5m or part thereof in

a) All types of soil

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34)

c) 160mm dia.

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying true to line and level and perfect linking for joints for P.V.C / H.D.P.E complete in all respects as per the direction of the engineer-in-charge.

f) 160 mm outer dia.

Jointing of rigid / SEL FIT PVC pipes by cleaning the pipe with solvent cement including the cost of solvent cement and hydraulic testing of joints etc. complete as per IS:7634-1975 Part 3, including hydraulic testing of joints as directed by the engineer in-charge.

f) 160 mm outer dia.

Providing and laying cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 grade granite or basaltic stone 20mm nominal size) including centering shuttering and form work for encasing around S.W. pipes including bed concrete as per standard design in I S:4127.

b) 150mm dia S.W. pipes

Making connections of drain or sewer line with existing manholes including Breaking and making good the walls, floors with cement concrete 1:2:4 (1 cement :2 coarse sand :4 graded stone as ggrt. 20mm nominal size) 12mm thick cement plaster on both sides with cement plaster on both sides with cement mortar 1:3 (1 cement :3 coarse sand) finished with floating coat of neatcement and making necessary channels for drains etc. complete.

a) For pipes 100 to 230 mm dia

Construction of manhole rectangular in shape including cement concrete 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20mm nominal size) foundation thickness of concrete 20cms and offset 10cms on both sides and first class brick work with bricks class designation 100kg/sq.cm (wire cut bricks) cement mortar 1:3 (1 cement : 3 coarse sand) 23cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including fixing in man-hole at 30cm c / c in 20x 20x10cm cement concrete block 1:3:6 (1 cement :3 coarse sand : 6 graded stone aggregate 20mm nominal size) and 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement and making channel in cement concrete 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20m nominal size) neatly finished complete as per standard design.

II) Inside size 0.45x 0.60m and 0.60m deep (with medium duty DI manhole cover & frame of size 0.45x 0.60m weighing 70kgs) including fixing with cement concrete1:2:4 (1 cement :2 coarse sand: 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar.

IV) Inside size 0.90 x 0.60m and 1.00m deep (with medium duty DI manhole cover & frame of size 0.90x 0.60m weighing 105 kgs including fixing with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar).

Extra/Additional depth of above square/ rectangular manholes at above item no in fractions with 100kg/sq.cm (wire cut bricks) brickwork in cement morter 1:3 (1cement:3coarse sand) 23cm thick including providing and fixing CI footrests not weighing less than 5.30kgs incl. fixing in manholes @30cmc/c staggered in 20x20x10cm cement concrete blocks1:3:6(1cement:3coarse sand :6graded stone aggregate 20mm nominal size) 12mm thick plaster inside and outside with cement morter 1:3 (1cement :3coarse sand) including adding water proofing compound of approved brand with a floating coat of neat cement.

II) 0.45 x 0.60m Manholes.

IV) 0.90 x 0.60m Manholes.

Construction of manholes conical in shape at top includinglaying cement concrete 1:1.5:3 (1cement: 1.5coarse sand:3graded stone aggregate 20mm nominal size) at base thickness of concrete as per diagram and offset 15cm and PCC 1:2:4 (1cement:2coarse sand :4 graded stone aggregate 20mm nominal size)in vertical and conical wall with first class brick work in cement mortar 1:3 (1cement:3 coarse sand) with bricks of class designation 100 kg/sq.cm (wire cut bricks) incl.fixing C.I.footrests confirming to IS 5455/69 or revised whose weight shall not be less than 5.30kg including fixing in manhole at 30cm c/c staggered in 20x20x15cm cement concrete blocks 1:2:4 (1cement : 2 coarse sand : 4 graded stone agregate 20 mm nominal size) and 12mm thick plaster with cement morter 1:3 (1 cement:3 coarse sand) inside and outside with water proofing compound and a floating coat of neat cement & providing and fixing C.I.manhole frame and cover 50cm dia heavy duty both weighing 230kgs in cement concrete 1:2:4 (1cement: 2coarse sand:4 graded stone aggregate 20mm nominal size) and applying the frame and cover with coal tar and making channels in cement concrete 1:2:4 (1 cement : 2 Coarse sand:4 graded stone aggregate 20mm nominal size) and neatly finished complete as per standard design.Cost of manhole inclusive of frame cover & footrest.

With 500mm dia D.I. heavy duty class C-250 circular cover with square frame weighing not less than 65 kgs.

i) 1.20m dia

2.00 m depth

Add extra for composite manhole for fractional depth for each one centimetre or part thereof

a) 1.20m dia

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 m and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in:

a) All works upto plinth level

Dismantling the tile work in floors and roofs laid in cement including stacking of materials within 50 meters lead for thickness of tiles10mm to 25mm.

Precast plain cement chequered tiles 22 mm thick of required shades laid in floors, treads of steps and landing on 20 mm thick bed of Cement mortar 1:4 (1cement : 4 coarse sand) jointed with neat cement slurry mixed with pigment to match the shade of tiles including rubbing and cleaning etc. complete.

c) Dark shades using ordinary cement

Transportation and carriage of material (A) By tipper truck including loading, unloading and stacking. (a) Lime, building rubbish, manure sludge, moorum excavated rock. ( ii ) Earth (5 Kms)

Add 20% adhoc increase as per corrigendum Bldgs. 2019 & PHE 2019 dtd:05/08/2022 for Item No. 1 to 14, Item No.16 & 17.