SPECIAL REPAIR (E/M) TO WATER SUPPLY PIPE LINE ALONGWITH CONNECTED WORK AT 384 COY ASC (SUP) TYPE B UNDER AGE (I) TAWANG

Amount

Surface excavation not execeeding 30 CM deep and average 15 CM and getting out soft/loose soil.

Excavating in trenches,hard/dense soil 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 Complete all as specified And Directed by Engr-in-Charge.

Returning filling including spreading , leveling ,watering and well ramming in layers not exceeding 25 cm all as specified and directed by Engr-in-Charge.

Removing excavated surplus any type of soil not exceeding 50m and depositing where directed at a level not exc 1.5m above the starting points in soil Complete all as specified and directed by Engr-in-Charge

Taking down old Unserviceable PPR pipe of 32 mm including fitting all as specified and directed.

Taking down old Unserviceable pipe of 50 mm including fitting all as specified and directed.

Taking down old Unserviceable PPR pipe of dia 63 mm including fitting all as specified and directed.

Taking down old Unserviceable PPR pipe of dia 75 mm including fitting all as specified and directed.

S&F 3- layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized outer dia 75mm and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches. complete all as specified and directed by Engr-in-Charge.

S&F 3- layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized outer dia 63 mm and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches. complete all as specified and directed by Engr-in-Charge.

S&F 3- layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized outer dia 50 mm and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches. complete all as specified and directed by Engr-in-Charge.

S&F 3- layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized outer dia 32mm and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches. complete all as specified and directed by Engr-in-Charge.

S&F PP-R Gate valves (brass insert) outer dia 75 mm as per requirement of the site complite all as specified and directed by Engr-in-Charge.

S&F PP-R Gate valves (brass insert) outer dia 63 mm as per requirement of the site complite all as specified and directed by Engr-in-Charge.

S&F PP-R Gate valves (brass insert) outer dia 50 mm as per requirement of the site complite all as specified and directed by Engr-in-Charge.

S&F PP-R Gate valves (brass insert) outer dia 32mm as per requirement of the site complite all as specified and directed by Engr-in-Charge.

S&F sintex ISI double layer water storage tanks Capacity 10000 Ltr complite all as specified and directed by Engr-in-Charge.

S&F sintex ISI double layer water storage tanks Capacity 5000 Ltr complite all as specified and directed by Engr-in-Charge.

S&F float valves assembly complite with pvc ball valve high pressure, with polythene float and flynut complete, screwed forPP-R pipe 32 mm or brass ferrule and fixed complite all as specified and directed by Engr-in-Charge.

S&F float valves assembly complite with pvc ball valve high pressure, with polythene float and flynut complete, screwed forPP-R pipe 25 mm or brass ferrule and fixed complite all as specified and directed by Engr-in-Charge.

Construction of Valve chamber of size 600x600x600 mm including necessary earth work excavation PCC 1:4:8 in foundation type D2 using 40 mm grade stone aggregate, brick wall in CM 1:4, PCC 1:2:4 type B1 for copping, 15 mm thick rendering in CM 1:4 including provision of MS Sheet cover 3.0mm thick with MS angle frame 25x25x3mm all round and at diagnols of size 40 x 40 x 6mm and also MS Plate welded to MS angle, embedded in concrete with suitable hinges and locking arrangement, including two coats of synthetic enamel paint over a coat of red oxide primer necessary excavation earth work etc, all as specified and as directed.

S&F Making connection of PP-R distribution branch with PP-R main of sizes 50 to 70 mm outer dia by providing and fixing tee including cutting and making fusion joint etc complite all as specified and directed by Engr-in-Charge..

Hardcore of broken stone/boulders gauge n.exc 63 mm deposited spread and levelled in layers n.exc 15cm thick watered and rammed to a true surface.

M&L 100 mm PCC type D2 1:4:8 (40 mm stone aggregate as in sub base of floor compare all as specified and directed.

M & L Pre-cast cement concrete block masonry with solid blocks, exc. 10 cm in width and setting in mortar, complete type B1 1:2:4 20 mm graded aggregate set I mortar 1:6 on wall surface finished even smooth without using extra cement

Rendering 15mm thick in cement mortar (1:4) on fair faces of brick work or concrerte surface mixed with water proofing compund @ 3% by weight of cement or as per manufacturer instruction finished fair and even without using extra cement complete all as specified and directed.

Supply only intergral water prrofiong compound ISI amrked of approved make

M&L for two coat of cement base paint on one coat priming plastered and other surfaces with alkali resistant priming paints on

Demolition Brickwork or stone/boulder masonry, built in cement mortar or cement lime mortar lime mortar including all quoins, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complite all as specified and directed by Engr-in-Charge.

M&L for Cement concrete in foundations, filling and mass concrete type B2 1:4:8 (40 mm graded aggregate).

M&L Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complite all as specified and directed by Engr-in-Charge.

M/S DHAGPA ENTERPRISES

M/S D L ENTERPRISES

M/S KESANG CONSTRUCTION

M/S N T BROTHERS

MS TD CONSTRUCTION

TENZIN CONSTRUCTION

T T ENTERPRISES