REPAIRS REPLACEMENT OF OVER HEAD TANK AND PIPE LINE INSULATION AT NURLA MIL STN UNDER AGE(I) NIMU

Amount

S& F in repairs for insulation for GI/PP-R pipe of dia from 15 mm to 25 mm with resin bonded fibre glass wool roll and aluminium cladding of density 24 kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation as specified and including the following:- (a)Consist of Natral Foam tube 19 mm,rockwool 50 mm thich, Plastic wrap,Chicken Mesh wire Packing Tape and aluminum Sheet of 28 Gauge. (b) M&L for cleaning the pipe surface to make the surface completely free of millscale, dirt, dust and other foreign materials, taking special care so that all pipe joints are sealed against any leakage. (c) M&L for clamping of pipe after insulations by U type clamp and scrws of requred lenth and scerued properly . Note :- (i) Rates of U type clamps and screws are demade in this quited rate. (ii) Rates of Natral Foam tube 19 mm,rockwool 50 mm thich, Plastic wrap,Chicken Mesh wire Packing Tape and aluminum Sheet of 28 Gauge are demade in this quited rate.

Taking down old existing PVC water tank of capacity 500/1000 ltrs and installation/fixed on same location after insulatins of any height , testing compleate (Cylindrical, vertical ) including all accessories (i.e GI nipples etc) complete all as specified and directed.

S& F in repairs for water tank insulation of 1000 ltrs capacity, insulated with 50mm thick PUF insulation of density not less than 48 Kg/Cum for PVC tank of capacity 1000 ltrs each complete all as specified anddirected.

S& F in repairs for water tank insulation of 500 ltrs capacity, insulated with 50mm thick PUF insulation of density not less than 48 Kg/Cum for PVC tank of capacity 500 ltrs each complete all as specified anddirected.

S& F in repairs ,testing and commissioning self limiting self regulating heat tracer 60-HTS, operated ( heat Cable Elthern ) on 240 Volt AC supply suitable for Gi pipe from 15 mm to 80mm dia complete all as specified and directed.

Taking up/ down old GI tubing connection including clearing (from trenches) complete as directed by Engr-in-Charge of following sizes :-

(a) 20mm bore

(b) 25mm bore

S& F in repairs for GI tubing medium grade laid in trenches / floors or fixed to wall in any length with screwed and socket joints together with all galvanised GI fitting such as sockets, bends, elbows, tees, reducers, unions, jointing materials etc and pressure testing, Washing out complete including dismantling, taking out old corroded pipe complete all as specified and directed for the following sizes:-

(a) 20mm bore

(b) 25mm bore

Taking up/ down old PP-R tubing connection including clearing (from trenches) complete as directed by Engr-in-Charge of following sizes :-

(a) PP-R pipe 20 mm bore

(b) PP-R pipe 25 mm bore

S& F in repairs of 3- Layer PP-R Polypropylene random copolymer) pipes SDR 7.4 & SDR 11 UV stabilised antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete all as specified and directed by Engr-in-charge.

(a) PP-R pipe 20 mm bore

(b) PP-R pipe 25 mm bore

Taking down old unserviceable gate valve/ ball valve of any size type.

S& F in repairs PP-R ball valves(brass insert) for 25 mm dia pipe as per requirement of the site all as specified and directed .

S& F in repairs PP-R ball valves(brass insert) for 20 mm dia pipe as per requirement of the site all as specified and directed .

S& F in repairs for Gun metal or Bronze globe / ball valve, ISI Marked, screwed both ends suitable for GI tubing with side way operating GI lever handle including taking down old u/s valve of any type / make complete all as specified and directed for the following sizes:-

Taking down old unserviceable PP-R/GI fittings of any size and type.

S & F in repair PP-R fitting (brass insert threaded type) of size 25 mm dia for fixing with existing GI /PP-R pipe line all as specified and as directed. Make : SFMC/FINOLEX/SUPRIME/PRINCE/FUSION or eqavelent as approved.

(a) Elbow

(b) Union

(d) Reducing Socket 25mmx20mm

(e) Sockets

(f) Socket Male 25mmx20mm

(g) Socket Female 25mmx20mm

S & F in repair GI nipple of following sizes:-

(a) 15 mm bore 100mm long.

(b) 20 mm bore 100 mm long.

(c) 25 mm bore 100 mm long.

S & F in repair GI union of following sizes:-

(a) 15 mm bore.

(b) 20 mm bore.

(c) 25 mm bore

S & F in repair GI elbow of following sizes:-

(a) 15 mm bore.

(b) 20 mm bore.

(c) 25 mm bore

S & F in repair GI bend of following sizes:-

(a) 15 mm bore.

(b) 20 mm bore.

(c) 25 mm bore

S & F in repair GI Tee equal of following sizes:-

(a) 15 mm bore.

(b) 20 mm bore.

(c) 25 mm bore

S & F in repair GI Reducer of following sizes:-

(a) 15x20mm bore.

(b) 20x25mm bore.

S & F in repair GI socket of following sizes:-

(a) 15 mm bore.

(b) 20 mm bore.

(c) 25 mm bore

Taking Down old Unserviceable DBs with MCB of any capacity

S&F in repair sheet metal powder coated versatile Double door SPN distribution board, 08 way suitable for MCB's fitted with copper bus bar rated 200amps, neutral link , earth bar and din rail suitable for use on 240 Volt, 50Hz .

M&L in repair for MCB SPN 63 Amp, 240V with 10KA breaking capacity of 'C' series in distribution boards all as specified and directed.

S&F in repairs to MCB SP 6-32 Amp with 10KA breaking capacity of 'C' series in distribution boards all as specified and directed.

Supply and fixing in repair 1100 Volts grade heavy duty cable PVC insulated aluminimum conductor of size 16 Sq mm twin core, served with inner sheathing of PVC tape and overall PVC sheathed in service connections, flat or circular all as specified and directed.

M/S SONAM NAMGIAL (BID ID -3156210)

TSEWANG DORJAY (BID ID -3157865)

M/S SONAM angchok (BID ID -3158007)

M/S LOBZANG NORBOO (BID ID -3158236)

SONAM ANGCHOK (BID ID -3158288)

M/S GHULAM HAIDER (BID ID -3158296)