CERTAIN REPAIRS TO SERVICE DUCTS, OH CRANES AND RELATED WORKS AT IN JETTY UNDER AGE E/M AT GE HADDO, PORT BLAIR

Amount

Material and Labour for lifting the RCC slab upto 300 mm thick, 2 to 4m long, 1 to 2m wide and about 2.5 to 4.0 ton in weight on jetty by cutting/chipping the clearance groove all around, keeping aside using a crane for laying of new LT cable/water pipe line including removing of all LT/HT cables for cleaning of cable duct and placing romoved H/T cables at the same location after carrying out repairs including making good the surface with PCC1:2:4 complete as directed. Note for item No.01: (a) Cost of T&P required for the work shall be included in the quoted rate. (b) Site will be availabile in a restricted manner and prior approval shall be obtained before commencement of work. (c) Contractor is liabile for any damage caused to existing services or structures during the execution of work (d) Contractors are advised to visit the sites before quoting the rates.

Material and Labour supporting pillar constructed of masonry of dimensions as required on site with precast cement concrete solid block masonry in PCC (1:3:6) type C1 (using 20 mm graded stone aggregate) exc 20 cm thick in CM (1:6) complete all as specified and directed.

M&L for 10mm thick rendering in cement morter 1:6 on concrete surfaces finished fair and even all as specified and directed

Material and Labour for laying of cast iron pipes with flanged ends,centrifugally cast,Class B of size 200mm ,laid in trenches /ground complete all as specified and directed by Engineer-in-Charge.

All as per item no. 04 above but 150 mm dia bore

All as per item no. 04 above but 100 mm dia bore

S & F mild steel section support/staging/chamber cover along with breaking support clamps and back plate fabricated including nuts, bolts, welding and bending cold or hot drilling holes for bolts, in any shape or size as indicated or directed complete all as specified and directed

Material and Labour for Cast Iron fittings such as bends of any type and radius, tapers any type (straight, bend, increasing. Decreasing or double socket etc.) Tee pieces, single branch, double branch, cross ) all sockets or socket and spigot), collars, caps and plugs for cast iron / DI pipes up to 150mm dia bore for flanged /socket type complete all as specified.

Material and Labour for Cast Iron fittings such as bends of any type and radius, tapers any type (straight, bend, increasing. Decreasing or double socket etc.) Tee pieces, single branch, double branch, cross ) all sockets or socket and spigot), collars, caps and plugs for cast iron / DI pipes 200mm to 300mm dia bore for flanged /socket type complete all as specified.

Supply and Laying in cable terenches, walls, structure LT UG cable XLPE insulated screened PVC sheated bedded galvanised strip armoured electric cable heavy duty 1100 volts fire retardant low smoke grade with standard aluminium conductor of 3.5 core 300 Sq mm size including taking down old unserviceable cables all as specified and as directed.

All as per item no. 10 above but 400 Sq mm 3.5 core.

All as per item no. 10 above but 500 Sq mm 3.5 core.

All as per item no. 10 above but 16 Sq mm 4 core.

All as per item no. 10 above but 25 Sq mm 4 core.

All as per item no. 10 above but 50 Sq mm 3.5 core.

All as per item no. 10 above but 70 Sq mm 3.5 core.

Material & labour for laying of chequered plates by cutting / making in to the shape providing necessary angular supports and handles with 6 mm dia rod as per the site condition for cable trencehs of various sub-stations alongwith painting of two coats of synthetic enamel paint over a coat of redoxide zinc chrome primer all as specified and directed.

M&L for preparation of old painted surfaces of Feeder Pillar boxes/LT panels by cleaning/ rubbing with coarse cloth/ wire brushes to remove dust deposits, oil, grease and repainting by applying one spray coat of synthetic enamel paint without disturbing/ damaging the electrical net work system/ equipment including marking of details of capacity/ rating/ incoming/ outgoing in capital English alphabets with minimum size of letter to be 5cms complete all as specified and as directed by Engineer in charge.

M&L for preperation of painting for new or previously untreated steel surface of any description over 10cm in width or girth,not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer all as specified.

Disconnecting old HT/LT UG cables of size 3/3.5 core 95 to 500 sq mm and draw out from the pipe underneath the jetty slab by lifting the slab covers from power house to jetty, jetty to cope points including making good of the damaged PCC portion, and refixing back the slab covers,supports etc. Note :(a) LT cables after meggering found unserviceable will be the property of the contractor and shall be measured under schedule of credit. (b) Cost for lifiting of jetty slab and refixing shall be measured and paid separately.

Fabricate, supply install, test and commissioning of cope box of size 0.9 length x 0.6 width x 1 meter height made out of 6mm thick MS sheet with 1mm thick FRP coating all over the cope box ,made out of 50 x 50 x 5mm angular iron frame and with provision for bottom cable entry, top opening, hinged lid and two side canopy with cable entry 06 No's and copper bus bars of 2000 Amps capacity and with cable entry 03 No's and copper bus bars of 800 Amps capacity and 80 cm(2x40cm) long fitted with bakelite sheet of 20 mm thick including mounting on RCC slab with cutting and making holes for cable laying including taking down old cope box complete all as specifed and directed. Note: Rate quoted includes cost of breaking the existing jetty slab and finishing work

S&F GI earth strip of size 32x6mm laid in trench or fixed to wall/ pole with necessary clamps and nuts, bolts etc. including taking out unserviceable earthing strip complete all as specified and as as directed by engineer in charge.

Supply & install steel tublar pole swaged welded with MS base plate size 30cm x 30cm x 6mm thick final taper plug bolts nuts & washers as per IS2713 (part-I) 1980 made out of MS tubing including painting of two coats of synthetic enamel aluminium paint of approved quality over one coat of red oxide primer length 11.00 mtr long 410 SP -55 for stud pole complete all as specified and as directed.

Excavation in trenches not exc 1.5 M deep and 1.5 M width and getting out in soft or loose soil for foundation of poles (or) cable laying complete all as specified and as directed.

Excavation in trenches exc 1.5 M deep and not exc 3.0m depth and 1.5 M width and getting out in soft or loose soil for foundation of poles (or) cable laying complete all as specified and as directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm in soils complete all as specified and directed.

Removing/excavated soil to a distance not exc 50 M and depositing where directed at a level not exc 1.5 M above the starting point all as specified and directed.

M&L Plain cement concrete (PCC) type D2 1:4:8 using 40mm graded aggregate stone for making foundation of Pole/stay assembly complete all as specified and as directed.

M&L Plain cement concrete (PCC) type B1 1:2:4 using 20mm graded aggregate stone for making copings including use and waste of form work complete all as specified and as directed.

Laying only HT/LT UG cables of size 3/3.5 core 95 to 500 sq mm retrived against item no.20 here in before and placing the removed cables in the same duct after meggering of cables with necessary clamping where required complete all as specified and directed.

Material and Labour for lifting the RCC slab upto 150 mm thick and about 0.2 to 0.6 Ton in weight on Cable duct or cable trench by cutting/chipping the clearance groove all around, keeping aside for removing of all LT/HT cables for cleaning of cable duct and placing romoved H/T cables at the same location after carrying out repairs and for laying of new LT cables including making good the surface with PCC1:2:4 complete as directed.

Disconnecting all electrical connections of LT panel boards/ pillar boxes of 415 / 380 / 230 Volts, 3 phase with bus bar chamber and decarbonizing / cleaning complete LT panel boards/ pillar boxes after removing the complete bus bar from the bus bar chamber, cleaning with CTC and ensure proper decarbonizing including new bakelite of adaquate size where ever required re-fixing the same bus bar and re-connecting all cables with new aluminium lugs of suitable size after applying Becktrol (Red) solution to the spout, checking all the connections, tightening the nuts, bolts, thimbles for incoming and outgoing system complete including renewal of defective/ rusted bolts, nuts, insulators etc. complete all as specified and as directed by Engineer in charge.

M&L for servicing of 10 to 20 Ton capacity EOT/HOT crane by taking down the pulley blocks and winch assembly including gear shaft and chains followed by greasing, oiling and overhauling and checking for defects in wheel mechanisms for horizontal and transverse movements including rectification of defects and checking the rails for crane movement and alignment the same including bending, fabrication by welding including necessary reinforcement and connected PCC work and painting the HOT/EOT crane complete including brackets, cross members etc. with two coats of synthetic enamel paint over a coat of red oxide primer after due cleaning of the entire surface and testing complete all as specified and as directed by Engineer-in-charge.

All as per Item No. 33 herein before but for EOT/HOT crane 2 to 5 Ton capacity.

Taking out old Sluice valve, cast iron both ends flanged for repairs like cleaning, greasing and replacement of brass/stainless steel spindle and check nut including re-fixing of sluice valve with new Rubber gasket, stainless steel nuts, bolt and washers etc complete of size 150/200 mm dia bore complete all as specified and directed.

All as per item no. 35 above but 80/100mm dia bore

S&F in repairs of GI Pipe 100mm dia medium grade, outside with red/blue in color including necessary fittings like bends, elbows, unions, tees, nippals etc complete all as specified and as as directed by Engineer- in- charge.

All as per item no. 37 above but 80mm dia bore

Supply and fixing of Sluice valve cast iron both ends flanged of class 1.6 PN, ISI marked with stainless steel spindle including joints and jointing material (Rubber gasket, stainless steel nuts, bolt and washers etc) complete of 200 mm dia bore including taking out old U/S sluice valve complete all as specified and directed.

All as per item no. 39 above but 150mm dia bore

All as per item no.39 above but 100mm dia bore

M&L for surface cleaning with wire brush, amre paper, removing dust dirt, washing with water, cleaning, drying surface and applying two coat of synthetic paint (Red Post Office) over a coat of red oxide for 200/250mm dia CI/DI Pipe complete all as directed.

All as per item no. 42 above but 150mm dia CI/DI Pipe

All as per item no. 42 above but 100mm dia CI/DI Pipe

Supply and fixing Pressure gauge 4" dial having pressure rating of 0-21kgs complete all as specified and as directed by Engineer-in-charge.

S&F heat shrinkable sleeves suitable for 240Sqmm to 500Sqmm LT UG cable, 415V grade including disconnecting LT UG cable from Transformer/LT Panel/Feeder Pillar Box/Cope boxes and re-connection after completion complete all as specified and directed.

Sree Tirumala Enterprises

SHARP ENGINEERING WORKS

DASHMESH BUILDERS

A. R. ELECTRICALS