REPAIR AND REPLACEMENT OF MOTOR BOREWELL AND STARTER CONNECTED WATER PIPELINES AT PHASE I AND FAR FLUNG AREA UNDER GE I R and D WEST BANGALORE

Amount

Excavation in trenches n.exc 1.5 m wide and not exc 1.5m in depth for laying of pipe lines etc and getting out in hard/dense soil complete all as specified and as directed.

Returning and filling in including spreading leveling watering and well ramming in layers n.exc 25cm thick with excavated soils complete all as specified.

Removing the excavated material to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point all as directed.

S&F GI tubing medium grade 50mm dia in floor/ trenches /walls with all fittings including taking out the existing un serviceable corroded galvanised iron tubing including taking out the existing unserviceable pipes complete all as specified and as directed. Note :-1. Excavation & earthwork will be measured and paid seperatly under respective item of schedule. 2. MS clamps , nuts, bolts & washers etc are included in the rates quoted.

All as per ser item No. 4 here-in-before but for 25 mm dia pipe

All as per ser item No. 4 here-in-before but for 20 mm dia pipe

CPVC pipe of presssure rating SDR 11, 20 mm dia laid in trenches,floor/wall/roof with all fittings complete including taking out the existing unserviceable pipes all as specified and as directed.

Taking out submersible pump from bore well dismantling the hanging rope of pump disconnect the electric connection from panel and pump servicing & lubricating the pump, replace by new SWR rope suitable length with out joint including checking the rope and replace the wear and tear of clamps nut bolt washer of complete bore hole system. taking down the sub mersible pump in tomthe bore hole after completion of work.

Material and labor for development of tube / bore well with air compressor of suitable capacity till sand / mud free water of portable quality is obtained and to achieve minimum discharge capacity of 3600LPH / max yeild complete all as specified and directed . Note :- Compressor with acessaries & tubes etc shall be arranged by the contractor and deemed to be included with the quoted rate.

Supply only ball valve for GI/ CPVC pipe 16/25mm dia including taking down the old unserviceable ones complete all as speciifed and as directed.

M&L Taking out existing U/S corroded GI Union socket and S&F New GI union socket 50 mm dia including leak testing etc.including taking down the old unserviceable ones all as specified & as directed.

All as per Item Sl No: 11 here in before but 25/20 mm dia

M & L for cutting the existing GI raising mains 50mm dia inserting Tee 50mm x 50mm size including provision of short pieces , unions, socket , threading , jointing leak testing etc all as specified and as directed.

All as per item Srl No 13 here-in-before but inserting Tee 25mm x 25mm size complete all as specified and as directed.

All as per item Srl No 13 here-in-before but inserting Tee 20mm x 20mm size complete all as specified and as directed.

M & L for cutting the existing GI raising mains 20mm to 50mm dia including threading for inserting gate valve for controlling independent water tank, provision of short pieces , unions, socket , threading , jointing leak testing etc all as specified and as directed.

M&L Taking out existing U/S corroded GI nipple 50mm long and S&F New GI nipple 50 mm dia including leak testing etc.all as specified and as directed.

All as per Item Sl No 17 here in before but but 20/25 mm dia

Taking down the U/S gate valve and S&F gun metal globe or gate valve ISI marked with iron wheel head, screwed both ends for iron pipes, Suitable for 50 mm dia pipe all as specified and as directed.

All as per Item Sl No 19 here in before but but 25 mm dia

All as per Item Sl No 19 here in before but but 20 mm dia

Taking out angle iron and M & L for rolled mild steel in joists , channel , angle or tee sections as in main and cross beams of Fe 410-W grade steel for ladders for U/G sumps & O/H tanks including cutting , welding ,grinding sharp corners etc all as directed. Note :- The quoted rates are inclusive of unloading , fabrication work at site, reducing to required shape & size ,hoisting , fixing etc including prepration of new untreated surfaces and painting of with one coat of red oxide primer and two coats of black paint all as required at site including taking down the old UNSV ones complete all as directed.

M&L for Cleaning of UG sewage Sump by draining out water,removing the silt / mud and any other foreign materials from bottom of well of capacity 6.0 Lakh Ltrs using vehicle KAMBI 6 LCN mounted with compressor and sucker tank of M/s Kam-avida enviro Engineers Pvt Ltd Pune or similar model vehicle & washing down with water for smooth functioning of sewage pipe lines,disfection with Bleaching powder etc , applying one coat of white wash for the entire surfaces complete all as specified and as directed.

Supply & Fix in repairs ACB 630 Amps 45 KA 3 Pole, Manual draw out type with microprocessor release Ics = 100% Icu, Icu = 45 KA, Icw = 45KA for 1.0 Sec ,415 Volt, 50 Hz all as per exsisting size and make of C & S cat No AH-6D-CS including connecting up incoming/ out going cables/ Aluminium strip with suitable lugs or making hole suitably and testing including any modification if required to LT panel for installing the unit properly after taking out the old unserviceable one from LT panel board without damaging any other components complete all as specfied and as directed. Make-C&S (Cat No AH-6D-CS) or Techno commercially equivalent of Schneider/ L & T.

Taking down cement plaster of any description including raking out joints, hacking for key , srubing down with water, etc, and disposing of debris outside the MD land complete all as speified and as directed.

Supply only water proofing compaound liquid all as directed.

Rendering 15mm thick on brick or concrete surfaces in CM (1:4) mixed with integral water proofing compound as per manufacturers instructions complete all as directed. Note : (i) Water proofing compound will be measured and paid separately under relevent items of thisschedule (ii) Bldg where repairs are to be carried out are G + 4 necessary formwork / scafolding charge shall deemed to be included in quoted rates.

Material and labour for PU injection Grouting chipping of the loose / Dead concrete icluding preparing the surface by removing the dust and laitance , etc. Drilling a hole of 110-125mm, fixing a nozzle and injecting a single component elastic poly urethane resin and fixing the same with packerers. The rate deemed to be any type of tools & plant of tackles equipment of leakage treatement. Testing and commissioning of sewage sump/water sump/overhead tank leakage after completion fo leak proof injecting treatment all as speicfied and directed by Engr-in-charge.

M&L for painting of CI/GI pipe line of any size, preparation of surfaces by brushing with wire brushes for removing old paint and finally forming the cleaned surface with gunny bags to remove all loose dirt etc and painting of two coat of black paint all as specified and directed.

Supply & Fix in repairs MCCB 250 Amps 35 KA 4 Pole Thermal magnetic release trip unit 415 Volt AC, 50 Hz , including connecting up incoming/ out going cables with suitable lugs and testing complete all as specfied and as directed. Make- L&T as per site requirement

Supply and fix, one side retri reflective sign boards made of 3mm thickness of acrylic white sheet as approved by Enr in Chage including wiring pasting of words / figures / numbers / logos of any size / pattern & height with self adhesive reflective transferant prismatic Engineering grade tape (Radium tape ) of approved make . Note (i) The word/ figure / number/ logos shall be computer aided machine out . (ii) Earth work excavation if necessary will be measured and paid for under respective items. (iii) Quted rate shall include for necessary scaffolding etc for fixing of board at required heights.

Supply and fix Non Return Valve (NRV), flanged type of heavy duty wafer type ,250 mm (4”)dia including taking down the old UNSV one complete.

Material and labour for preparation of old painted surfaces of electrical panels/cable tray/ladders etc of any description over 10cm in width or girth and spray painting of one coat of synthetic enamel paint of exisitng shade and sign writing the description as directed.

Supply and replacement of rubber mate 25 mm thick as approved by Engr in charge size as per site all as speicified and directed.

Supply and replacement of plain Electrical Insulation Safety Floor mattings are specific kinds of rubber and non-conductive flooring options for operators working on live equipment 3mm thick as approved by Engr in charge size as per site all as speicified and directed.

Sai Ram Builders

Arunachaleswara enterprises

S R CONSTRUCTIONS

Auromirra Enterprises

H S S ENGINEERS AND CONTRACTORS