SPECIAL REPAIRS TO SEWER LINE AND INLET WATER LINE AND CONNECTED WORKS AT MARRIED ACCOMODATION PHASE II ZONE B AREA AT CV RAMAN NAGAR BANGALORE

Amount

Excavation in trenches, not exc. 1.5 m wide and n.exc.1.5 m in depth, in any type of soil for foundation, laying pipes, drains or manholes etc., n.exc.10 sq. m on plan and n.exc.1.5 m in depth, and getting out including trimming sides and forming bottom surfaces to required level/slope etc, complete all as specified and as directed by Engineer-in-Charge.

All as per item No 1 here-in-before, but exc 1.5m in depth ,in any type of soil but n.exc 3.0m in depth complete all as specified and as directed

Returning, filling in approved soft/loose soil, including spreading, levelling, watering and well ramming in layers n.exc.25cm thick complete all as specified and as directed by Engineer-in-Charge.

Removing excavated soil exceeding 1.5 KM but nexc 5 KM and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed

M & L cutting into existing manhole for connecting new drains of 150 mm internal dia., making good to pipe and rendering, cutting out existing benching for and forming branch channel(1/2 round or ¾ in section) in cement concrete 1:2:4, type B-1 smooth finished and reforming benching as required complete all as specified and as directed by Engineer-in-Charge.

M & L cutting into existing manhole for connecting new drains of 200 mm internal dia., making good to pipe and rendering, cutting out existing benching for and forming branch channel(1/2 round or ¾ in section) in cement concrete 1:2:4, type B-1 smooth finished and reforming benching as required complete all as specified and as directed by Engineer-in-Charge.

M & L cutting into existing manhole for connecting new drains of 110 mm internal dia., making good to pipe and rendering, cutting out existing benching for and forming branch channel(1/2 round or ¾ in section) in cement concrete 1:2:4, type B-1 smooth finished and reforming benching as required complete all as specified and as directed by Engineer-in-Charge.

M&L under ground double wall corrugated pipes 150 mm bore made with HDPE material used for conveying and facilating smooth flow of sewarage (These pipe having smooth internal surfaces and corrugated external surfaces (UD pipes S 20/SN4/SDR41 , in any length with rubber ring and solvent joints, laid in trenches or in floors

Supply and lay salt glazed stone ware drain pipe grade 'A' 200mm bore laid on concrete bed and jointed complete all as specified and as directed (Make : Jai Jalaram/Giraco/AG Karimji )

M&L PVC (SWR) pipes of 110mm dia single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and as directed

Material & Labour for providing Plain Cement Concrete 1:3:6, type C-2 (using 40mm graded stone aggregate) as in bed to drain pipes of 150mm dia, laid to falls, including packing under and haunching against the sides of pipes after they are laid and tested, complete all as specified and as directed

M&L for Cement concrete bed to drain 1:3:6 type C-2 using 40mm graded stone aggregate to SWG drain pipe200mm bore including packing under and haunching against the sides of pipes after they are laid and tested including removal of debries outside MD land all as specified and directed.

Material & Labour for providing Plain Cement Concrete 1:3:6, type C-2 (using 40mm graded stone aggregate) as in bed to drain pipes of 110mm dia, laid to falls, including packing under and haunching against the sides of pipes after they are laid and tested, complete all as specified and as directed

M&L PVC (SWR) pipesof 110mm dia single socketed, in any length with rubber ring joints, fixed to walls complete all as specified and as directed

S & F 110mm bore PVC (SWR) bends with access door complete all as specified and as directed

S & F 110mm bore PVC (SWR) bends without access door complete all as specified and as directed

S & F 110 mm bore PVC (SWR) junction single (single T) equal or unequal complete all as specified and as directed

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles precast concrete block walling complete all as specified and as directed

Material and labour for Pre-cast cement concrete block masonary with solid block set in CM type B1, 1:2:4 (using 20mm graded stone aggregate) , exc 10cm in width and setting in mortar 1:4, complete all as specified and as directed.

M&L for walling of squared rubble, regular coursed, well bonded, bedded and solidly hearted, built in cement mortar 1:4 complete all as specified and as directed.

M&L for flush pointing to squarred rubble masonry coursed or uncoursed in cement mortar 1:3 complete all as specified and as diretced

Material & Labour Plain Cement Concrete 1:2:4, type B-1 (using 20 mm graded crushed stone aggregate) as in channels/benching in manholes etc. including use of necessary formwork complete all as specified and as directed

Extra for forming fair finished drain or channels 30 cm girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc.

Material and labour rendering 15mm thick in cement plaster 1:4 on fair faces of brick work or concrete surfaces finishes the surfaces even and smooth without extra cement etc complete all as specified and as directed

Demolition cement Concrete(unrieinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete

M&L for cement concrete Type D2 1:4:8 (using 40 mm graded stone aggregate) as in lean concrete as in sub base/foudation etc filled in mass concrete all as specified and as directed.

Demolition reinforced cement Concrete as in man hole cover etc jointed in cement mortar of any description and in any position not otherwise specifically provided for

Dismantling of cast iron /PVC or reinforced concrete drain pipes of internal dia 100/150/200mm , jointed in cement mortar and taking out of trenches, if required

M&L Hardcore of guage exc 63mm but n exc. 100 mm, deposited, spread and lev- elled in layers n exc. 15 cm thick, watered and rolled/ rammed to a true surface

M&L Providing precast cement concrete Type B1 1:2:4 (using 20mm graded stone aggregate) cover slabs (for manholes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces Set in cement mortar 1:4.

M&L for TMT bars 10mm dia and over cut to length, bent to shape required incl cranking, bending, spirally for hooping for columns, hooking end and binding with and incl mild steel wire not less than 0.9mm dia or securing with clip quality confirming to deformed or twisted bars complete all as specified and as directed

M&L Cement concrete type B-1, 1:2:4 (using 20mm graded stone aggregate) 75mm thick as in floor finished even and smooth without using extra cement complete all as specified and as directed

M&L PVC (SWR) gully trap 125/110 mm, setting and jointing with solvent cement including removal of old unservisable trap and provision cement concrete 1:2:4 (using 20mm graded stone aggregate) complete all as specified and as directed

Cutting the existing hard standing / hard surface/road to facilitate for laying of GI pipe line and making good the disturbed portion to bring it to original condition with PCC 1:4:8 type D2 (using 40mm graded stone aggregate) complete all as specified and as directed

Taking up cast iron water main (including all fittings) with socket and spigot ends and lead joints including burning out joints and recovering lead for pipe of bore 150 mm complete all as specified and directed.

Taking up GI water main (including all fittings) of bore 80 mm complete all as specified and as directed.

Taking up GI water main (including all fittings) of bore 50 mm complete all as specified and directed.

Taking up GI water main (including all fittings) of bore 20 mm complete all as specified and directed.

Supply and lay DI pipes.S/S including specials, Class K-7 of size 150 mm complete all as specified and as directed

Supply and laying GI pipes medium grade 80mm bore including all fittings complete all as specified and as directed

Supply and laying GI pipes medium grade 50mm bore including all fittings complete all as specified and as directed

Supply and laying GI pipes medium grade 20mm bore including all fittings complete all as specified and as directed

Supply and fixing in repairs sluice valve with brass spindle, conforming to IS 14846 : 2000 PN 1.6 of size 150mm bore including suitable size nuts, bolts, washer and rubber gasket all as required and directed at site.

Supply and fixing in repairs sluice valve with brass spindle, conforming to IS 14846 : 2000 PN 1.6 of size 80mm bore including suitable size nuts, bolts, washer and rubber gasket all as required and directed at site.

Supply and fix in repairs gun metal globe or gate valve of size 50 mm with iron wheel head , screwed both ends for connecting to pipeline all as specified and directed.

Supply and fix in repairs gun metal globe or gate valve of size 20 mm with iron wheel head , screwed both ends for connecting to pipeline all as specified and directed.

S & F in repairs ball valves high pressure of PTMT with epoxy coated sluminium rod and high density plastic ball, screwed for 20mm bore iron pipe, including replacement of aduscent GI fittings (socket, nipple,reducer socket,etc.) where necessary complete, weight not less than 210 gm.

Supply and fix in repairs foot valve CI body flanged type of size 80 mm size heavy grade of make Kirloskar or equivalent all as specified & directed by Engineer-in-Charge.

Supply and fix CI Non Return Valve 100mm Dia flanged type and including jointing materials, rubber gasket suitable size nut bolts and washer etc complete all as specified and directed.

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