REPAIR/MAINT OF FALSE ROOFING AND ALLIED WORKS, REPAIRS/MAINT OF BLDG ROOFS INCLUDING CLEANING OF ROOF AND ROOF TREATMENT, REPAIRS/MAINT OF WATER TANK INCLUDING CLEANING OF WATER TANK, REPAIRS/MAINT OF PLINTHS INCLUDING ATT AND ALLIED WORKS, REPAIR

Amount

Taking out old damaged tarfelt or membran of any description including screed bed or bedding layer and removing of debris to a distance exc. 50m and n. exc. 100m and cleaning roof surfaces to remove all loose dust etc., roughening surfaces of old concrete roof by picking, sweeping clean and washing down with water using wire brush, brooming down and applying the following treatment all as directed in order of precedence as stated: (a) Brushing neat cement slury with 3.0 kg of cement per Sqm. (b) 15mm thick screed bed or bedding layer in CM (1:4) mixed with water proofing compound as per manufacturer instruction on existing roof surface true to level. (c) Applying one coat of bituminous primer @ 0.40 Ltr/Sqm. (d) Supply and laying 3mm thick APP based polymeric membrane of approved manufactured with weight not less than 3.50 Kgs per Sqm reinforced with non-woven polyester fabric weighing not less than 160gms per Sqm having softening point not less than 15°C, having tensile strength of 650 N/Sqcm and 350 N/Sqcm in longitudinal and transverse directions respectively of the reinforced tearing strength of 180 N by torch application. Polymeric membrane shall be taken to a height of 30cm (minimum) and then inserted inside the groove of parapet wall and shall be finished by a membrane flashing. (e) Applying one coat of aluminium paint @ 0.11 Kg/Sgm over APP membrane surface. Note:- (i) Laying APP based polymeric membrane shall be done torch on method as per manufactures instructions. (ii) A minimum overlap of 150mm and 100mm should be made at the end and sides of the polymeric membrane respectively and sealed all overlaps and joints as per manufacturers instruction. (iii) APP based polymeric membrane shall be of any one of the approved makes as specified here-in-after and shall conform to specifications given in IS 16540-2017/1S 16532 2017. (iv) Contractor shall produce necessary test certificate of the manufacturer to the Engr-in-Charge before incorporation in the work. (v) Necessary independent tests shall also be carried out by the contractor without any extra cost to the Deptt as per relevant IS specifications and membranes with satisfactory test results shall only be incorporated in the work. (vi) The work shall be executed through authorised applicators of original manufacturer only. (viI) WPC shall be measured and paid separately as supply only.

Supply only liquid water proofing compound conforming to IS: 2645 - 1975 specification, complete all as directed

Taking down 20mm bore steel water tubing and connection from wall /ceiling surfaces including cleaning for re-fixing or removing from site of work, complete all as specified and directed.

Taking down 25mm bore steel water tubing and connection from wall /ceiling surfaces including cleaning for re-fixing or removing from site of work, complete all as specified and directed.

S&F 20mm bore galvanised steel water tubing and connection, medium grade, with all fitting, fixed to wall or ceiling, complete all as specified and directed.

S&F 25mm bore galvanised steel water tubing and connection, medium grade, with all fitting, fixed to wall or ceiling, complete all as specified and directed.

S&F in repair 20mm bore gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipes, complete all as specified and directed.

S&F in repair 25mm bore gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipes, complete all as specified and directed.

S & F 75mm dia, PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors, complete all as specified and directed.

S & F 110mm dia, PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors, complete all as specified and directed.

S&F in repair of 75mm bore, PVC (SWR) bends of any radius, complete all as specified and directed.

S&F in repair of 110mm bore, PVC (SWR) bends of any radius, complete all as specified and directed.

S&F rotational moulded polyethylene water storage tanks, triple layered, (cylindrical vertical with closed top) ISI marked, confirming to IS 12701-1989, hoisted and fixed in position all as specified in SSR Part I (500 ltr capacity) including 20mm Nipple suitable for HDPE water tank including 20mm bore ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed for iron pipe and fixed to 20mm bore pipe inculding dismantling of old water tank, complete all as specified and directed.

S&F rotational moulded polyethylene water storage tanks, triple layered, (cylindrical vertical with closed top) ISI marked, confirming to IS 12701-1989, hoisted and fixed in position all as specified in SSR Part I (1000 ltr capacity) including 20mm Nipple suitable for HDPE water tank including 20mm bore ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed for iron pipe and fixed to 20mm bore pipe inculding dismantling of old water tank, complete all as specified and directed.

S&F in repair 25mm bore brass valves high pressure, with polythene float and flynut, screwed both ends for iron pipes, complete all as specified and directed.

Demolition of brick work or stone masonry, built in CM including all quoins, arches, pillars etc. but excluding ashlar facing, dressed stone work and precast concrete articles, complete all as specified and directed.

M&L for fly ask brick work, old size, straight or curved on plan exc 6 mtr mean radius built in CM (1:6), complete all as specified and directed.

All as per item No. 17.00 here-in-before but except bricks, complete all as specified and directed. Note-(i) Bricks obtained from demolition shall be re-used. (ii) The quoted rate shall deemed to be included for cleaning of old bricks obtained from demolition.

M&L for fly ash brick work, old size, straight or curved on plan to any radius in half brick thick walls built in CM (1:4), complete all as specified and directed.

M&L 15mm thick rendering in CM (1:6) on brick work or concrete surfaces of wall, finished even and smooth without using extra cement, complete all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings n. exc. 15cm thickness (below or above ground level), complete all as specified and directed.

M&L for PCC (1:2:4) type B-1, (using 20mm graded crushed stone aggregate) as in coping, benching and similar works including weathering slightly rounded on chamfered angle throating including necessary form work, complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) as in foundations, filling and mass concrete, complete all as specified and directed.

M&L for PCC (1:4:8) type D-2 (using 40mm graded crushed stone aggregate) as in foundations, filling and mass concrete, complete all as specified and directed.

Dismantling asbestos cement corrugated or semicorrugated, etc sheets in roof coverings, complete all as specified and directed.

Dismantling of timber scantlings 40 sqcm and over in section, in any position, complete all as specified and directed.

S&F mild 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, complete all as specified and directed.

S&F pre painted galvalume aluminium zinc coating, GI based corrugated steel sheet 0.50mm 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 directed.

S&F pre painted galvalume aluminium zinc coating, GI based plain steel sheet 0.50mm 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 directed.

M&L for preparing new steel or iron surfaces of any description over 10cm width or girth and applying two coats of synthetic enamel paint (1st grade quality), over a coat of red oxide primer, complete all as specified and directed.

S&F Gl frame work for seamless ceiling (size of grid 605 x 605mm) comprising of Gl perimeter channel 0.55mm thick with two unequal flanges of 20 and 30mm and web of 27mm fixed to surrounding wall using nylon sleeves and screws at 450mm center to center/intermediate channel 0.9mm thick having two equal flanges of 15mm each and web of 45mm suspended from soffit at approx. 900mm center to center with Gl cleat and steel expansion fasteners with and including ceiling section (not exc 1.2m length) of 0.55 mm thickness having curled web of 50mm and flange of 26 mm each with lips of 10.5mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457mm center to center, complete all as specified and directed.

M&L for 6mm thick non asbestos fibre cement building boards fixed or laid/inserted to timber/GI/Aluminium framework with screws 60 x 60cm size, fixed with nails to timber framework or with staples on snap grid in ceiling flat or sloping including dismantling of old unserviceable ceiling board of any thickness including cover fillets, complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for, complete all as specified and as directed.

Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats Fe 410w (Gde E-250) complete all as specified and as directed.

M&L for expended metal exc 4 kg, cut of lenth, bent to shape required and typing with and including annealed mild steel wire not less than 0.90mm dia or fixing with galvanised steel staples supplied and fixed complete to wood or steel members, complete all as specified and directed.

M&L providing and injecting chemical emulsion for post constructional antitermite treatment along external wall where the apron is not provided using chemical emulsion at the rate of 7.5 litres per Sqm of the vertical surface of the sub-structure to a depth of 300mm including excavating channel along the wall and rodding ,complete all as specified and directed.

M&L for at points of contact of wood work by chemical emulsion (in oil or kerosene based solution) @ 0.5 litre/hole by drilling 6mm dia holes at a downward angle of 45 degree at 150mm centre to centre and sealing the same, complete all as specified and directed.

Removal of vegetation/grass etc including cutting holes into or through brick walls/concrete and removal of small trees/woods etc and making good distrubed surface with cement with cement concrete 1:2:4 type B-0 (using 12.5mm graded crushed stone aggregate) surface area n. exc. 0.50 Sqm, complete all as specified and directed.

Demolition of unreinforcement cement concrete in ground floors and pavings n.exc 15cm thickness (below or above ground level), complete all as specified and directed.

M&L for 75mm thick PCC (1:2:4) type B-2 (using 40mm graded crushed stone aggregate) as in sub-base, floors and pavings, plinth protection etc, complete all as specified and directed.

Disconnecting existing tanks (exc 500 ltr but n.exc 1000 ltr) setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repairing, etc. measured separately), complete all as specified and directed.

Cleaning and removing all scale and dirt etc, from tanks of capacity 1000 ltr, and from mouths of circulating pipes etc using edible bleaching powder/liquid and washing with water, writing the item "Tank Cleaned on ____" indicating the date, month & year of cleaning on external surface of tank walls with synthetic enamel paint, complete all as specified and directed.

S&F in repair energy saving 50W LED 6000K, IP65 protection flood light luminaire with high power LED including provision of PVC insulated sheathed round flexible wire with multi strand copper conductor, complete all as specified and directed.

S&F in repair energy saving 100W LED 6000K, IP65 protection flood light luminaire with high power LED including provision of PVC insulated sheathed round flexible wire with multi strand copper conductor, complete all as specified and directed.

S&F in repair energy saving 150W LED 6000K, IP65 protection flood light luminaire with high power LED including provision of PVC insulated sheathed round flexible wire with multi strand copper conductor, complete all as specified and directed.

S&F in repair energy saving 90W LED 6000K, IP65 protection flood light luminaire with high power LED including provision of PVC insulated sheathed round flexible wire with multi strand copper conductor, complete all as specified and directed.

S&F in repair energy saving 60W LED 6000K, IP65 protection street light luminaire with high power LED including provision of PVC insulated sheathed round flexible wire with multi strand copper conductor, complete all as specified and directed.

S&F in repair energy saving 45W LED 6000K, IP65 protection street light luminaire with high power LED including provision of PVC insulated sheathed round flexible wire with multi strand copper conductor, complete all as specified and directed.

Supply and laying or fixing in replacement 1.5 sqmm 3 core PVC insulated round sheathed PVC copper conductor cable, complete all as specified and directed.

Supply and laying or fixing in replacement 2.5 sqmm 3 core PVC insulated round sheathed PVC copper conductor cable, complete all as specified and directed.

S&F in repair rigid non-metallic PVC conduit external dia 20mm exclusive of boxes (junction/terminal) but inclusiveof all tees, bends ,elbows, reducers, bellmouth tube ends andfixing accessories such as couplers, locknuts, saddles, pipe hoos etc., complete all as specified and directed.

S&F in repair driver for outdoor type LED fitting 30/35 watt, complete all as specified and directed.

S&F in repair driver for outdoor type LED fitting 45 watt, complete all as specified and directed.

S&F in repair driver for outdoor type LED fitting 60/75 watt, complete all as specified and directed.

S&F in repair driver for outdoor type LED fitting 90/120/150 watt, complete all as specified and directed.

S&F in repair street light bracket made out of 40mm bore, galvanised iron, medium grade GI tubing (approx 1.2 mtr in length) including two Nos suitable size of clamps with nuts, bolts and washers, etc. and two coats of synthetic enameled paint over a coat of red oxide primer, complete all as specified and directed.

S&F in repair bollard LED type 8/9/10/11 watt 230 watt volts AC outdoor type with necessary foundation and connection strip complete with driver and lamp, complete all as specified and directed. Make: Bajaj Cat Part No : BGBOS 650 9W LED ww /Havell's Cat Part No CONEBLS8WLED 830PSYMTOPC / Crompton Cat Part No: LBLA1-10-CDL /Philips/ Crompton.

S&F in repair post top lantern LED type 20/25 watt 230 watt volts AC outdoor type with decorative post top for 360 degree indirect light IP 65 protection with impact and corrosion resistant complete with driver and lamp, complete all as specified and directed. Make: HAVELLS Cat No : RUBYPT25WLED830SSYMTOPC/ Bajaj Cat No : BGCTNP 20 LED WH / Crompton Cat Part No: CPB-610 - 2557SL CA -NBK

S&F in repair post top lantern LED type 40/45 watt 230 watt volts AC outdoor type with decorative post top for 360 degree indirect light IP 65 protection with impact and corrosion resistant complete with driver and lamp, complete all as specified and directed. Make: HAVELLS Cat No : RUBYPT40WLED757PSYMTOPC / Bajaj Cat No : BGCTNP 40 LED WH / Crompton Cat Part No: CPB-610 -40- 57SL CA -NBK

S&F in repair 3 pole power contactors for street light and connecting new contactors and making connection with incoming and outgoing MCCB/MCB of rating 40 Amp, ML- 3, 2 NO + 2 NC, complete all as specified and directed.

S&F in repair 3 pole power contactors for street light and connecting new contactors and making connection with incoming and outgoing MCCB/MCB of rating 70 Amp, ML- 4, 2 NO + 2 NC, complete all as specified and directed.

S&F in repair timer switch for street light panel for 24 hrs, complete all as specified and directed.

S & F in repair junction box made from SMC/FRP sheet ready made of size 350 x 250 x 138mm with aluminium bus bar of 100 Amp capacity for RYB and half for neutral made in suitable size fixed inside the junction box with necessary supporting insulators fixed on hylem sheet ,MS sheet steel fixed inside the bottom portion of box to connect the cable gland complete , entire assembly fixed to pole /Wall with MS clamp 25 X 5 mm and nuts & bolts, or inside the Copping of pole /Post top with necessary size copper lugs for connecting cables from junction box to fittings, complete all as specified and directed.

S & F in repair junction box made from SMC/FRP sheet ready made of size Junction box of size 450 x 375 x 200mm with aluminium bus bar of 200 Amp capacity for RYB and half for neutral made in suitable size fixed inside the junction box with necessary supporting insulators fixed on hylem sheet, MS sheet steel fixed inside the bottom portion of box to connect the cable gland complete, entire assembly fixed to pole/wall with MS clamp 25 X 5 mm and nuts & bolts, with necessary size copper lugs for connecting cables from junction box to fittings, complete all as specified and directed.

S&F MCB 4 pole, 63 Amps, 10 KA, 'C' curve, complete all as specified and as directed.

M&L steel tubular swaged pole, type 410 SP-31 (9.00 metres long) complete with cast iron base plate, finial taper plug, cap, mild steel bolts, nuts, screws, etc. including applying two coat of black bituminous paint internally and externally up to planting depth and applying with two coats of aluminium painting over a coat of red oxide primer including writing 'MES LT pole No.______' with synthetic enamel paint (1st grade quality), complete all as specified and as directed. Note : Earth work and PCC shall be measured and paid separately.

M&L for painting PCC poles, 8.5 meter in height above GL including cross arms and bracings on existing surface after cleaning and removing dust, rust & dirt with one coat primer and two coat of Cement based paint painting with black & white alternate strips of 30cm each externally from ground level up to 1.5 mtr with synthetic enamel paint (1st grade quality) and numbering of pole, complete all as specified and as directed.

M&L for painting steel tubular poles, 8.5 meter in height above GL including cross arms and bracings on existing surface after cleaning and removing dust, rust & dirt with one coat of redoxide primer and two coat of aluminium paint painting with black & white alternate strips of 30cm each externally from ground level up to 1.5 mtr with synthetic enamel paint (1st grade quality) and numbering of pole, complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 metre wide and not exc 1.5 metre in depth for foundation of pole/stay, or cable trenches etc and getting out in soft/loose soil, complete all as specified and directed.

Returning filling in incl spreading, leveling watering and well ramming in layers not exceeding 25cm in soft/loose soil, complete all as specified and directed.

Removing excavated materials to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 metre above the starting point in any type of soil, complete all as specified and directed.

Note: An amount of Rs.63,354.00 on account of Credit Schedule for schedule 'A' part - II shall be deducted from the total amount of BOQ to arrive at the contract sum.

BHARAT ELECTRIC (BID ID -3068184)

SHRI PARTHA DUTTA (BID ID -3069295)

M/S BISHAL ENTERPRISES (BID ID -3069284)

M/S. NARENDRA KUMAR GARG (BID ID -3068187)

Shri T P ANIL KUMAR (BID ID -3069327)

B L SHARMA (BID ID -3071471)

M/S SARDAR MAL NAHATA (BID ID -3069863)