REPAIR REPLACEMENT GI MS WITH SEAMLESS HIGH CARBON STEEL PIPES OF VARIOUS SIZES, ALL TYPES OF VALVES, VALVE PITS, CHAMBERS WATER TANKS AND OTHER MISC CONNECTED WORK FOR RCC, NORTH SPRING AND SOUTH SPRING AREA AT KASAULI UNDER GE KASAULI

Excavation in trenches in hard dense soil n.exc 1.5 mtr wide & n.exc 1.5mtr in depth and n. exc. 10sqm on plan for laying pipe in trenches and getting out complete all as specified and directed.

Returning filling in trenches, spreading, levelling, watering and well ramming in layers n.exc 25cm in hard dense soil complete all as specified and directed.

Removing of surplus soil to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above starting point complete all as specified and directed.

Dismantling and taking out old u/s worn out MS/CI/GI pipe line flanged type 150 mm bore including fittings complete with nuts, bolts, washers and gaskets etc and removing from the site complete all as specified and as directed. Note:- New pipes shall be laid first at spring area and old ones to be taken out later.

Supplying, laying, jointing and testing hot finished seamless carbon steel pipe not less than YST-240, grade B as per ASTM A 106, Sch 40, nominal size NPS-150 mm, outer dia 164.22 mm, with nominal wall thickness 7.11 mm and weight 28.26 Kg/ mtr, including short pieces as required at site, laid in trenches/over RCC pillars/across or under bridges/along hill side (up or down)/culverts/inside valve pits complete all as specified and directed by Engr-in-charge. NOTE:- (i) Excavation Earth work, PCC, seamless pipe fittings, MS flanges & flanged joints shall measured and paid for separatly under relevant items. (ii) Work will be carried out in piecemeal loacations experienced based on break downs and weaker sections of existing rising main as per site requirement and as directed. (iii) Any other expenses including permision from state authorities are included under this item.

Material and labour for MS Flange of inner dia 150 mm (outer dia 164.22mm) and 280 mm outer dia of thickness 25.3 mm having 8 drilled holes conforming for jointing with the existing pipes, duly welded with pipes/fittings bends properly to both the plain ends complete all as specified. and directed.

Supply and fixing of joint for 150 mm nominal bore pipes, comprising one 5.0 mm thick steel-reinforced compressed asbestos fibre gasket, including 8 Nos. M38 nuts and bolts (each bolt not less than 25 mm in diameter and 125 mm in length), and 2 Nos. 5 mm thick washers per joint, suitable for pipes/fittings/bends, complete all as specified and directed by the Engineer-in-Charge.

Dismantling and taking out old u/s worn out MS/CI/GI pipe line flanged type 100 mm bore including fittings complete with nuts, bolts, washers and gaskets etc and removing from the site complete all as specified and as directed. Note:- New pipes shall be laid first at spring area and old ones to be taken out later.

Supplying, laying, jointing and testing hot finished seamless carbon steel pipe not less than YST-240, grade B as per ASTM A 106, Sch 40, nominal size NPS-100 mm, outer dia 112.04 mm, with nominal wall thickness 6.02 mm and weight 16.08 Kg/ mtr, including short pieces as required at site, laid in trenches/over RCC pillars/across or under bridges/along hill side (up or down)/culverts/inside valve pits complete all as specified and directed. NOTE:- (i) Excavation Earth work, PCC, seamless pipe fittings, MS flanges & flanged joints shall measured and paid for separatly under relevant items. (ii) Work will be carried out in piecemeal loacations experienced based on break downs and weaker sections of existing rising main as per site requirement and as directed. (iii) Any other expenses including permision from state authorities are included under this item.

Material and labour for MS Flange of inner dia 100 mm and 228.6mm outer dia of thickness 24 mm having 8 drilled holes for jointing with the existing pipes, duly welded with pipes/fittings bends properly to both the plain ends complete all as specified and directed.