SPL REPAIR TO OLD CORRODED PIPE LINES, INTERCONNECTION OF CERTAIN PIPELINES, PROVN OF HIGH MAST SECURITY LIGHT, LIGHTENIING CONDUCTOR, VOLTAGE STABILIZER AND MISC WORKS AT SEVOKE ROAD MIL STN

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr in depth and getting out excavated material for foundation, laying/ taking out pipe line, cable trench etc in soft/ loose soil complete all as specified and directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exc 25 cm in each layer in any type of soil complete all as specified and directed.

Removal of surplus soil to a distance not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point in any type of soil all as specified and directed.

Taking out 150 mm dia/bore CI/DI Water main with valves from trenches and staking at site complete all as directed.

All as per item No 4.00 above but for 100 mm dia/bore

All as per item No 4.00 above but for 80 mm dia/bore

Taking out 50 mm GI Water main from trenches/wall/ceilings/floor and staking at site complete all as directed.

All as per item No 7.00 above but for 40mm dia

Cutting of existing cast iron/DI pipes in any position for insertion and fitting of new Tee, Coller, Tail pieces etc for taking out connections, branch connections complete all as specified and directed for 150/100 mm bore pipe. Note :- (a) Excavation/earth work shall be measured and paid seperately under respective item of schedule. (b) Fittings shall be measured and paid seperately under respective item of the schedule

Supply, laying and testing ductile iron (DI) pressure pipe with spigot and socket end, class K-7, confirming to IS-8329/2000, suitable for push - on rubber gasket jointing with centrifugally applied inside cement mortar lining with portland cement and metallic zinc coationg and finishing layer of black bitumen coating on external surface of size 150 mm dia duly ISI marked including gaskets for fixing socket joint and other conneting acessories to laid in trenches etc complete all as specified and directed.

All as per item No 10.00 above but for 100mm dia

Supply and fixing PP-R (Polypropylene random co-polymer) 90mm outer dia pipe, 3-layer (outer green coloured UV stablilized, middle black coloured UV stabilized and innermost layer white coloured with anti-microbial property), as per IS-15801, fusion welded, grade PN-10 SDR-11 ( Pressure nominal 10KGS/cm2 ) having thermal stability for hot & cold water supply with and including socket fittings, laid in trenches/walls complete all as specified and as directed. (Note: (i) Contractor shall submit 7 Years warranty certificate from the manufacturer of any manufacturing defect and leakage through the pipeline. (ii) If there is any technical problem regarding PP-R product,contractor shall provide support within 2 Days.

All as per item No 12.00 above but for 63mm outer dia

All as per item No 12.00 above but for 50mm outer dia

Supply and fixing PP-R gate valves (brass insert) 90mm outer dia pipe complete all as specified of following sizes including taking down of existing unserviceable one complete all specified :-

All as per item No 15.00 above but for 63mm outer dia

All as per item No 15.00 above but for 50mm outer dia

Materials and labour for DI fittings for spigot and socket pipes of size 100 mm to 200 bore such as bends(any type,radius and angle) tapers any type (straight, bend, increasing,decreasing or double socket etc) Tee pieces single branch, 'Y' junction, double branch, cross(all sockets or socket and spigot) collars caps and plugs complete all as specified and directed.

Supply and fixing sluice valve (heavy duty) with SS spindle conforming to IS 14846 both end flanged class PN 1.6 of size 150 mm dia incl necessary nuts,bolts washers and gasket complete all as specified and directed.

Supply and fixing sluice valve (heavy duty) with SS spindle conforming to IS 14846 both end flanged class PN 1.6 of size 100 mm dia incl necessary nuts,bolts washers and gasket complete all as specified and directed.

Supply and fixing Valve, butterfly conforming to IS 13095,100 mm dia with nuts, bolts, washers and rubber gasket sheet for packing all as specified and directed by Engr-in-Charge.

Supply and fixing Valve, butterfly conforming to IS 13095,150 mm dia with nuts, bolts, washers and rubber gasket sheet for packing all as specified and directed by Engr-in-Charge.

Materials and labour for manual boring holes upto 2 m deep in soil under road without disturbing the top surface for laying pipeline passing and disposal of soil to a distance not exc 50m all as directed by Engr-in-Charge

Materials and labour for PCC (1:3:6) type C2 using (40mm graded mechanically crushed stone aggregated) 100 mm thick as in , road PCC or any other works required on site all as specified and as directed .

Materials and labour for PCC (1:3:6) type C2 using (40mm graded mechanically crushed stone aggregated) as in foundation, filling, mass concrete works as required on site all as specified and as directed .

Materials and labour for construction of valve chamber of sizes 1200mm x 1200mm x1200mm (internal dimensions) complete with MS sheet cover 3mm thick with angle iron) frame of size 50 x 50 x 6mm and locking arrangements, with handle duly painted with one coat of primer and two coats of black synthetic enmel paints including excvation and earth work in any type of soil,PCC (1:4:8) type D2 in foundation ,PCC benching 1:2;4 type B-1 ,PCC (1:5:8) block masonry 20 cm thick in cement mortor (1:6),10 mm thick plastering in CM 1:4 ,PCC bed in (1:3:6) and coping 50mm thick in cement concrete 1:2:4 type B1 using 20mm stone aggregate including necessary formwork,painting one coat of red oxide and two coats of bituminious black paint on all metalic surfaces as specified and as directed .

Supply & installation of High mast structure with complete accessories (construction as per BS-EN 10025 : 1993 or equivalent IS) . The structure shall be of 16 Mtr height,Polygonal ,Tapered,Flange mounted type in two sections with minimum top dia 150mm and thickness 3mm , bottom dia 410mm and thickness 4mm ,hot dip galvanised both inside and outside and suitable for wind speed as per IS 875 etc, including base plate , Lightning protection finial with GI single spike of suitable length , provision for 03 nos of earthing terminals at base of mast, Twin dome LED aviation obstruction light at top of mast.The Mast shall also have raising and lowering system, head frame. hot dip galvanised steel lantern carrige suitable for fixing 09 nos LED high mast luminaires symmetrically , trailing cable PVC sheathed 5 core X 2.5 sqmm copper conductor cable and other wiring materials for luminaires, integral power tool 3 phase , 415 Volt rating motor suitable to the design with control and torque limiting protection installed inside the base compartment , 2 nos of continuous 6mm stainless steel wire ropes( 7/19 gauge), double drum winch, pulley assembly (manual and electrtical operated both) as per IS 807,suitable size foundation bolts with nuts, washers suitable size anchor plate , templates including earth work, construction of suitable open raft shallow RCC foundation with M20 grade concrete for the high mast considering the safe soil bearing capacity at site ( contractor are requested to visit site before quoting rates) .Feeder pillar box factory made powder coated (CPRI approved) outdoor type, dust & vermin proof made out of 3.15mm CRCA steel sheet of suitable size duly painted including its foundation comprising incoming four pole MCB of suitable rating , incoming and outgoing terminals and control for motor ,astronomical timer switch, contactor ,with manual mode and all accessories all as specified and directed. (Make: BAJAJ/CROMPTON/USHA)

Supply and fixing LED flood light of capacity 200/210 Watt made up of pressure die cast aluminium housing with high power LED as light source and lens embedded PC cover including electronic driver should have LED efficacy ≥110 lumens/watt,CRI>70 PF 0.95,CCT≥5500,IP66,impact resistance IK 07 ,inbuilt 10kV surge protection device complete all as specified and directed.

Supply & laying 50 mm outside dia double wall corrugated pipe(DWCPE) for enclosing cable below ground/road surface to a required depth including suitable size couplers for jointing of pipe all as per site requirement etc complete all as specified and directed.

Supply and laying in trenches/wall LT UG XLPE insulated ,armoured heavy duty electric cable with aluminium conductor 1100 volts grade cross sectional area 16sq mm x 4 core and making necessery connections all as specified and as directed.

Supply and laying in trenches/wall LT UG XLPE insulated ,armoured heavy duty electric cable with aluminium conductor 1100 volts grade cross sectional area 25sq mm x 4 core and making necessery connections all as specified and as directed.

Materials and labour for earthing complete with galvanized steel pipe electrode 40mm bore, medium grade, 3.5 meters length, buried directly and preferably vertically in ground with top edge not less than 1.25 meters below ground level connected with earthing lead galvanized iron strip of size 25x4 mm connected to galvanized earth pipe by means of bolts, nuts, checknuts and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made of 6mm round bar, including necessary excavation and earth work in any type of soil, 20mm dia medium grade galvanized steel tube for watering with one end fix with cast iron funnel and wire-mesh, with protection pipe of 32 mm dia light grade galvanized steel tubing upto 7.5 meters length for drawing earthlead including common salt, charcol , bentonite in alternate layers etc all in around of earthing pipe of 600mm dia, complete all as shown in EP number 2 of SSR Part-1 including testing on completion and including taking down old U/S earthing & testing complete all as specified and as directed.

Supply & fixing test point terminal block made out of gun metal/phosphorus bronge of size 75mm x 75mmx 25mm, drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screws complete all as specified and as directed.

Materials and labour for air termination single pointed aluminium rod 12mm dia and 300 mm long all as specified and as directed.

Materials and labour aluminium strip 25x3 mm with saddles and fixing screws etc for roof conductors and down conductors above ground complete all as specified and directed.

Materials and labour for porceiline insulator suitable for fixing earthing strip to the wall/floor etc complete all as specified and directed.

Supply and fixing galvanised iron strip 32 x 6 mm burried in ground for interconnection of earthing complete all as specified and directed.

Materials and labour for Advance encapsulated compound based Chemical earthing CPRI tesed maintenance free , pipein -pipe technology upgraded (Zinc coated). , Zinc & Alloy coated (80 -100) microns with pure zinc (99.9%) & Alloy coating (200-250) microns.Earthing system conforming IS 3034. The outer and inner pipe should be 76.2mm and 41.9mm dia respectively of 3 mtrs long zinc coated with with additional special alloy coating 300mm on top side for additional protection of the terminal . The annular space between the pipes to be filled up with Compact fill (CF) (Crystalline Conductive) mixture which should be machine pressed in the pipes not disintegrate or collapse when outer pipe corrodes . The inner pipe should be extended with terminals for connectivity.The job includes digging the pits ,lowering the pipe in pipe earth electrode,filling of pure conductolite back filling compound (BFC Conductolite ) having excellent moisture retaining capacity in 250 mm around the electrode min 4 bags of 25 KG per pit per unit. The BFC should be eco friendly it should not contain environmently hazardous material/metal having ROHS certification from NABL accredited lab.The earth pit should be provided with a FRP earth pit cover for protection and safe guard of terminals. The material of earth electrode should have good electrical conductivity & anti corrosion property in wide range of soil conditions. The job also include M & L for in PCC(1:3:6) type C-1 around the FRP cover for support and foundation and colouring the PCC work with desired colour.complete all as specified and directed. Note :- (i) Design of earth electrode should be of pipein-pipe technology . (ii) Contractor have to submit literature of earth electrode and get the make approved of GE before procurement. (iii) The earth electrode shall be CPRI tested to withstand short current test for 60kA rms for 1.0 second and 150kA for peak current.

Supply and fixing Voltage stabilizer for automatic operation, three phase, naturally oil cooled, indoor type & designed for input variation between 300 V to 480 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 25KVA complete all as specified and as directed.

Biswas Brothers Co

M/S S.B. CONSTRUCTION

BIJAN KUMAR DHAR

M/S Bikash Saha

M/S HARMANS

CHANDAN TRADERS

Manish Ray and Co.

M S BHARAT CONSTRUCTION CO.

M/s. STRUCTURES INDIA