CWE/CHM-99/2024-25 SPECIAL REPAIRS TO ROOF AND ELECTRIC FITTINGS (INTERNAL WIRING andDISTR BOARDS) OF OFFRS FAFA ACCN AT SECTOR A UNDER GE CHANDIMANDIR AT CHANDIMANDIR MIL STN

Amount

M&L for disconnecting of PVC tank of capacity 500 Litres & upto 1000 Litres for cleaning including setting aside temporarily and refixing later in same position for water supply to enable water proofing treatment of roof slab beneath the tank in following laid down process all as specified and directed :- (a) Dewatering & removing all settled silt, scale & dust from inside of tanks using coconut brush manually and applying bleaching powder and allowed to rest for 1 hour. (b) Cleaning & rinsing the tank using fresh water to wash out complete and allowed to dry for 30 minutes. (c) Refixing the tank & old fittings in same position or raised/ lower height after cleaning or water proofing treatment (as may necessary) complete all as directed by Engineer-in-Charge.

Note : - Alternative arrangement for providing water supply to the Qtr shall be provided by the contractor by relocating the serviceable tank until the waterproofing treatment is completed.

Writing letters of not Exceeding 30 cm height using synthetic enamel paint (white colour) to mention date of cleaning including rubbing out old letters written over the tank complete all as specified and as directed by Engineer-in-Charge.

Cutting down small trees/ bushes from wall/ roof/ chajja of building including digging out the roots from brick work or any other structure portion of building including applying root killer chemical as per manufacturer instructions and making good the disturbed portion to match the existing surface complete all as specified and as directed by Engineer-in-Charge.

Roughening old concrete/ brick surfaces of roof by picking, brushing with wire brush, sweeping clean and washing down with water to remove dust etc., brushing neat cement slurry with 3.0 kg of cement per sqm over cleaned roof surfaces complete all as specified and as directed by Engineer-in-Charge.

Providing 15 mm thick polymer modified plaster in ratio 1:10 over slab (1 part of polymer and 10 parts of cement and sand with solid contents) and applying priming coat of epoxy primer with resin and hardner with water dilution as per manufacturer's instruction, applying 1st coat of solvent based polyurathene liquid membrane not less than 500 micron thick @ 0.61 Kg/sqm and applying 2nd coat of solvent based polyurathene liquid membrane not less than 500 micron thick @0.61 Kg/sqm over dried 1st coat, including preparation of existing roof surface complete all as specified and as directed by Engineer-in-Charge.

Note :- (a) The work pertaining to Roof treatment shall be executed by the contractor as per MoU from authorised applicator through manufacturer of the materials polymer after approval by the GE. The works shall be carried out only by authorized applicator having valid authorization letter from the approved make. (b) The Contractor shall submit "Memoradum of Understanding" (MOU) along with sample approval with one of the manufacturers mentioned in the contract within 10 days from issue of work order no. 1. (c) Scaffolding, trestles, ladders, cradles and protective measures etc, as necessary for execution of work shall be arrenged by the contractor without any extra cost to the department.

M&L for 40 mm thick Brick tiles laid over screed bed 15 mm thick in CM 1:6 and joints grouted flush in CM 1:3 including dismantling of existing brick tiles complete all as specified and as directed by Engineer-in-Charge.

Demolition of Brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles, complete including removing the waste materials to a distance not exceeding 500 meters complete all as specified and as directed by Engineer-in-Charge.

M&L for Brick work with sub class 'B' Bricks, straight or curved on plan exceeding 6 metre mean radius built in CM 1:4 complete all as specified and as directed by Engineer-in-Charge.

All as per Serial Item No 8.00 here-in-before but but except bricks.

M&L for Stone Masonry Walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in CM 1:4, as in retaining wall or drain wall complete all as specified and as directed by Engineer-in-Charge.

M&L for Providing cement concrete 25 mm thick type B-0, 1:2:4 (using 12.5 mm graded stone aggregates) as in levelling course of roof/ chajjas kerbs rammed or chamfered on edges, complete all as specified and directed by Engineer-in-charge.

M&L for cement concrete 1:2:4, type B-1 (using 20 mm graded stone aggregates) as in roof kerbs and like rounded or chamfered on edges, copings etc complete all as specified and directed by Engineer-in-charge.

Taking down cement plaster of any description on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc, complete all as specified and directed by Engineer-in-charge.

M&L for Rendering 15 mm thick plaster in cement mortar 1:4 mixed with WPC on fair faces of brick wall or concrete surfaces finished even and smooth without using extra complete all as specified and directed by Engineer-in-charge. (Note : WPC will be measured and paid for separately)

Supply only Integral waterproofing compound, ISI Marked, complete all as specified and directed by Engineer-in-charge.

M&L for Preparation of newly plastered wall surfaces and applying two coats of cement base paint over a coat of alkali resistant priming paint complete all as specified and directed by Engineer-in-charge.

Taking up or down GI steel/ Kitek tubing 15 mm with connections or fittings from wall, ceiling, floor etc., including cleaning of tubes for re-fixing complete all as specified and directed by Engineer-in-charge.

Taking up or down GI steel/ Kitek tubing 20 mm with connections or fittings from wall, ceiling, floor etc., including cleaning of tubes for re-fixing complete all as specified and directed by Engineer-in-charge.

S&F of 16 mm CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings and fixed complete to walls, ceiling or laid in floors complete all as specified and directed by Engineer-in-charge.

S & F of 20mm CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings and fixed complete to walls, ceiling or laid in floors complete all as specified and directed by Engineer-in-charge.

Re-fixing steel water tubing of 15 mm bore, with all fittings at new or old position, laid in floor along wall or at ceiling complete all as specified and directed by Engineer-in-charge.

Re-fixing steel water tubing of 20 mm bore, with all fittings at new or old position, laid in floor along wall or at ceiling complete all as specified and directed by Engineer-in-charge.

M&L for cutting holes into or through brick walls built in cement mortar or cement lime mortar having superficial area not exceeding 150 Sqcm each. making good in cement mortar 1:3 or cement concrete 1:2:4 type B-1using 20 mm graded stone aggregate complete all as specified and directed by Engineer-in-charge.

S&F rotational moulded polyethylene water storage tank (Cylindrical vertical with closed top), HDPE, triple layered with ISI marked of 500 litres capacity with inlet & outlet connections, including 20mm Ball valve, tank nipple 150 mm long with washer & plug, with tank lid having locking arrangement hoisted and fixed in position all as specified in SSR Part I, including dismantling of existing water storage tanks (RCC/PVC) complete all as specified and directed by Engineer-in-charge.

All as per Serial Item no 24.00 here-in-before but 1000 litres tank complete.

S&F in repair Gun Metal, globe or gate valves, with iron wheel head, 15 mm bore screwed both ends for iron pipe, complete all as specified and directed by Engineer-in-Charge.

All as per Serial Item No. 26.00 here-in-before but for 20 mm bore.

S&F Float/ Ball valves, high pressure, PTMT, ISI marked, with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe of 20 mm bore (minimum weight 210 gm) fixed in repair complete all as specified and as directed by Engineer-in-charge.

S&F Float/ Ball valves, high pressure, PTMT, ISI marked, with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe of 15 mm bore (minimum weight 142 gm) fixed in repair complete all as specified and as directed by Engineer-in-charge.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan necks etc. including cleaning or refixing or removal to store complete all as specified and as directed by Engineer-in-charge.

S&F PVC (SWR) pipes 110 mm bore single socketed in any length with rubber ring joints fixed to walls or laid in trenches complete all as specified and as directed by Engineer-in-charge.

S&F PVC (SWR) bend, Tees, cowl 110 mm bore fixed as in repair complete all as specified and as directed by Engineer-in-charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and as directed by Engineer-in-charge.

Cutting holes through brick wall built in cement mortar, for inserting holdfasts, depth of embedded portion of holdfasts exceeding half brick thick but not exceeding one brick thick and making good the dismantled portion with cement mortar (1:3) or PCC type B-0, (1:2:4) to match the disturbed surface with existing finish, complete all as specified & directed by Engineer-in-charge.

S&F 1.25 mm thick Mild steel, plain, black sheet as in wall cladding, steel gates and similar work fixed to steel framing with plain 40 mm lap joints with riveted or welded seams, properly welded to angle frame and cross support backside complete all as specified & directed by Engineer-in-charge.

Mild steel framed work as in doors or gates of angles or other sections with gusset plates complete drilled for fixing of steel sheeting or other covering. Doors etc to be prepared for hanging or sliding with including hooks and hinges (excluding of covering steel sheeting) fastening, locking arrangement, etc conforming to Fe 410-W (Gde E- 250 quality-B) complete all as specified and as directed by Engineer-in-Charge.

M&L for preparation of new or previously untreated steel and iron surfaces of any description over 10 cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide oxide primer complete all as specified and as directed by Engineer-in-charge.

Demolition of cement concrete (unreinforced) of any description and in any position (below or above GL at any height) not otherwise specifically provide for complete all as specified and as directed by Engineer-in-Charge.

M&L for Plain cement concrete 1:4:8, type D-2 (using 40 mm graded crushed stone aggregates) as in foundation, sub base flooring, filling and mass concrete complete all as specified and as directed by Engineer-in-Charge.

M&L for Factory made Machine pressed, prepolished (glazy finish), coloured, precast conctete interlocking paver block any shape and size confirming to IS 15658-2006 of 80 mm thickness M-40 Grade with Grey cement and pigment complete all as specified and as directed by Engineer-in-Charge.

M&L for Factory made Machine pressed, prepolished (glazy finish), coloured, precast conctete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness M-35 Grade with Grey cement and pigment complete all as specified and as directed by Engineer-in-Charge.

M&L for Sand filling under floors or in foundations including watering and consolidation complete all as specified and as directed by Engineer-in-Charge.

Material and labour for Chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in neat cement slurry in floors with grey cement and pigment over and including 15 mm thick screed in CM 1:6 complete all as specified and as directed by Engineer-in-charge.

M&L for 75 mm thick PCC 1:3:6, type C-2 (using 40 mm graded stone aggregates) as in sub base finishing the surfaces even and rough complete all as specified and directed by Engineer-in-Charge.

Dismantling of old Asbestos cement (corrugated, semi-corrugated, etc.) sheets in roof coverings complete all as specified and directed by Engineer–in-Charge.

S&F of Pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed by Engineer-in-Charge.

Steel work in tubular trusses including special shaped washer etc complete using ERW or induction butt welded tubes conforming to IS-1161-1979 grade St-240, including shop coat of zinc chrome red oxide primer complete all as specified and as directed by Engineer-in-Charge.

Taking down carefully any type of battens or conduit point wiring with or except conduit (light, fan, socket or power) complete including fittings and fixtures such as switches, sockets, ceiling roses, lamp holders, pendent light fittings, MCBs / isolators, fan regulators, tube light fittings etc removing material from site and making good disturbed surfaces of walls to match the existing complete all as directed by Engineer-in-Charge.

M&L for Point wiring with approved colour coded multi stranded copper conductor, PVC insulated and unsheathed FRLSH cable of size 2.5 Sqmm, 1100 volts grade, with two run of single core cable for phase & neutral and one run of single core multi stranded copper conductor, PVC insulated and unsheathed FRLSH cable of size 2.5 Sqmm, 1100 volts grade for earth continuity conductor to common earth and connected to earth dolly in and in existing conduit on and including new modular sunken box and suitable size of frame, cover etc. complete for One 3 pin, 06/16 Amps socket outlet point on independent board controlled by one, one way 06/16 Amps switch complete complete all as specified and as directed by engineer-in-charge.

M&L for Point wiring with approved colour coded multi stranded copper conductor, PVC insulated and unsheathed FRLSH cable of size 2.5 Sqmm, 1100 volts grade, with two run of single core cable for phase & neutral and one run of single core multi stranded copper conductor, PVC insulated and unsheathed FRLSH cable of size 2.5 Sqmm, 1100 volts grade for earth continuity conductor to common earth and connected to earth dolly in and including new concealed PVC conduit terminated on and including new modular sunken box and suitable size of frame, cover etc. complete for One 3 pin, 06/16 Amps socket outlet point on independent board controlled by one, one way 06/16 Amps switch complete complete all as specified and as directed by engineer-in-charge. Note: Quoted rate shall be inclusive of making good the disturbed surfaces to match the original finishes surface and nothing extra shall be paid on this account.

S&F modular switch, 16 Amps, one way, one module 230 volts single pole complete all as specified and as directed by Engineer-in-Charge.

S&F modular socket outlet, 6/16 Amps, 2 in 1, universal type, two module, 230 volts complete all as specified and as directed by Engineer-in-Charge.

M&L for disconnection of power supply and taking down carefully by unscrewing from boards fitting and fixture such as MCB DB, junction box, panels of any size complete with all MCCBs, MCBs etc and removing from site, complete all as specified and as directed by Engineer-in-Charge.

S&F sheet metal enclosures for MCB DB SPN 240 volts, 12 way, double door fitted with 200 amps bus bar, neutral link, earth bar and din rail complete all as specified and as directed by engineer-in-charge.

S&F MCCB 125 Amps, 4 pole, 3 phase, 415 volts, 16 KA with Ics = 100% Icu with adjustable thermal and magnetic release complete with proper copper thimble complete all as specified and as directed by Engineer-in-Charge.

S&F vertical TPN distribution board, double door, flush mounting with provisions for MCCBs incommer upto 125 to 160 Amp & outgoing, 4 way, having IP 54 protection complete all as specified and as directed by Engineer-in-Charge.

S&F MCB, SPN, 63 Amps, 230 volts in repair having breaking capacity 10KA "C" type complete all as specified and as directed by Engineer-in-Charge.

S&F MCB, SP, 6 to 32 Amps, 230 volts in repair having breaking capacity 10KA, "C" type complete all as specified and as directed by Engineer-in-Charge.

Disconnection and Taking down carefully copper/ aluminium sub main wiring including PVC conduit pipe of any size and any type complete all as specified and as directed by Engineer-in-charge.

M&L of Sub main wiring with two runs of single core PVC insulated and unsheathed multistranded, copper conductor (FRLSH) cable of size 16.00 sqmm LT, 1100V grade, down through and including PVC non metallic conduit of appropriate dia with accessories and fittings and one run of 16.00 sqmm single core multi stranded copper conductor cable as earth continuity conductor complete all as specified and as directed by Engineer-in-charge.

Note for Srl Item no. 60.00:- 1. Two runs of cable, one run of earth wire and one run of PVC non metallic conduit shall be measured as one run length. 2. Cable required for connection to DBs shall deemed to be including and shall not be measured separately. 3. Earth wire shall run inside the conduit pipe complete all as specified.

Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 Mtr deep below ground level) with top edge of the plate not less than 1.5 Metre below normal ground level, connected to galvanised earth lead strip 32 x 6 mm dia by means of bolts, nuts, check nuts and washers of GI or steel all as shown in electrical plate No. 5 of SSR Part-I 1991 connected to earthing test point panel all as specified or indicated and testing on completion as directed by the Engineer-in-Charge including necessary excavation & earth work in any type of soil, funnel, PCC chamber in 1:3:6, type C-1, Cast Iron pit cover and frame, charcoal, salt including earth lead protected by 40 mm dia, medium grade GI pipe and 20 mm dia medium grade GI Pipe for watering complete.

Note :- Earth lead strip 32 x 6 mm and GI 40 mm dia protecion pipe upto 7.5 mtr length will be deemed to include in the unit rate quoted.

S&F sheet metal enclosure of size of 915 x 610 x 200 mm with locking arrangement including provision of 06 nos of glass 75 mm x 150 mm size in front door for measuring meter reading flush to wall for fixing of 06 Nos energy meter including taking down carefully energy meter including connection complete all as specified and as directed by engineer-in-charge.

Gunjan and Gunjan Associates (BID ID -3276151)

Standard Const. Co. (BID ID -3276131)

chahalbuilders (BID ID -3273301)