REPAIRS/MAINT OF SERVICE WATER TANK INCLUDING CLEANING OF SERVICE WATER TANK, REPAIRS/MAINT OF PLINTHS INCLUDING ATT AND ALLIED WORKS, REPAIR/MAINT INCLUDING REPLACEMENT OF DAMAGED ASSESTS/GI ROOF SHEETS AT KV AREA AND REPAIR/MAINT INCLUDING CAMOUFL

Amount

Cleaning and removing all scale and dirt etc, from tanks of capacity exc. 250 ltr but n. exc. 500 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.

Cleaning and removing all scale and dirt etc, from tanks of capacity exc. 500 ltr but n. exc. 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.

Demolition of reinforced cement concrete (RCC water tank) of any description and in any position not otherwise specifically provided for, complete all as specified and directed. (Note : reinforcement cut as required to facilitate demolition)

Demolition of brick work or stone boulder masonry, built in cement mortar including all quoins, pillars etc., separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100 m and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100m, complete all as specified and directed.

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.

Removal of vegetation/grass etc including cutting holes into or through brick walls/concrete and removal of small trees/woods etc and making good disturbed surfaces with PCC (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.

Cleaning/uprooting of vegetation/small trees, muds, garbages, waste etc growth on inaccessible RCC roof, AC sheet roof, below wind tie, cleaning of AC sheet/CGI sheet, valley gutter and shaft portion of wall surfaces, back side of toilet portion, complete all as specified and directed.

M & L for fly ash brick work with old size bricks, straight or curved on plan exceeding 6m mean radius, built in cement mortar (1:6), complete all as specified and directed.

All as per item No. 8.00 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.

Disconnecting existing tanks exc. 500 ltr but not exc. 1000 ltr, set aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position, complete all as specified and directed. (Note : Cleaning repairing, etc. shall be measured and paid separately)

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 and 20mm bore ball valves 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 including dismantling of old unserviceable HDPE tank and removing from site of work, complete all as specified and directed.

S&F in repair 25mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe or brass and fixed, complete all as specified and directed.

S&F in repair tank cover suitable for any type of rotational moulded polyethylene water storage tanks, complete all as specified and directed.

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

Taking down 15mm 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 steel water tubing and connection, medium grade, 15mm bore with all fittings fixed to wall and ceiling or laid in floors, complete all as specified and directed..

Re-fixing old steel tubing and connection, 15mm bore, in new or old position with new fittings, complete on wall/ceiling, complete all as specified and directed. (Note : Serviceable steel tube obtained from taking down shall be re-used)

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 as directed.

Re-fixing old steel tubing and connection, 20mm bore, in new or old position with new fittings, complete on wall/ceiling, complete all as specified and directed. (Note : Serviceable steel tube obtained from taking down shall be re-used)

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

Dismantling of floor, hearth or wall tiles including cement mortar bedding ( but not backing) and remvoing rubbish off the premishes, complete all as specified and directed.

M&L for glazed ceramic coloured tiles of size 350x250x7mm/450x350 x7mm thick each as in skirting or dado on vertical surfaces of wall, set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 10mm thick rendering in CM (1:4), complete all as specified and directed.

M&L for joint free non skid ceramic coloured tiles 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11sqm but not exceeding 0.18 Sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement of match over and including 15mm thick screed bed in CM (1:6), 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 including dismantling of old CGI sheet of any thickness, 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 including dismantling of old PGI sheet of any thickness, complete all as specified and directed.

M&L for 4mm thick pre-painted E-fibre board, designer/decorative, fixed or laid/inserted to GI snap grid frame size 605x605 mm work for false ceiling hangers with 4mm to 6mm dia. G.I. (length as required) adjusting level, fixed to roof slabs/truss by means of ceilling cleats made out of G.I. flat 40 x 3mm size 60mm long and expansion hold fasteners, 12.5mm dia, 40mm long including necessary dismentaling of existing unserviceable ceiling boards of any thickness including cover fillets, complete all as specified and directed.

M&L for PCC (1:2:4) type B1 (20mm grades crushed stone aggregates) as in coping, benching and similar works including weathering slightly rounded on chamfered angle and throating, complete all as specified and directed.

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

S&F MS framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar work conforming to Fe.290.Gde-E-165, complete all as specified and directed.

M&L for preparation of new steel or iron surfaces of any description over 10cm width or girth not otherwise specifically provided for and applying two coat of synthetic enamel paint (1st grade quality) over a coat of red oxide primer, complete all as specified and directed.

S&F roof trusses (framed), trussed,purlins, crane gantries, rails and fastenings and heavy bracket framing (beam, tee, angle, channel ,rolled section or flat sections) of Fe-290, E-265 including distance pieces, cleats etc, complete all as specified and directed.

Demolition of plain cement concrete (unreinfoced) 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 aggregate) as in plinth protection/apron laid in alternate bays (n. exc. 2 Sqm each) and finished even and smooth without using extra cement and providing joints throughout the thickness of the plinth protection filled with mastic fillar comprising one part of bitumen 85/25 grade and three parts of sand by weight, complete all as specified and directed.

M&L post construction antitermite treatment by injecting chemical of anti termite treatment along with external wall below concrete or machinery apron/floor using chemical emulsion @ 2.25 ltr/RM including drilling and plugging holes etc, complete all as specified and directed.

M&L post construction antitermite treatment of soil under existing floor using emulsion @ 1.00 ltr/hole, 300mm dia apart including drilling and plugging 12mm dia holes with CM (1:2) to match the existing floor, complete all as specified and directed.

M&L for post construction antitermite treatment at point of contact of wood work by chemical emulsion (in oil or kerosene bases solution) @ 0.50ltr/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.

M&L for PCC (1:2:4) type B2 (using 40mm graded crushed stone aggregagte) as in surface channels and drains, complete all as specified and directed.

M&L for extra for forming fair finished drain or channel 30cm inner girth in cement concrete, using ex- tra cement including forms, moulds, mi- tred/stopped ends et, complete all as specified and directed.

Taking down cement plaster on brick or concrete surfaces including racking out joints, hacking for key, scrubbing down with water etc, complete all as specified and directed..

M & L for rendering 15mm thick in two coats (10mm+5mm each) on fair faces of brick work or concrete surfaces of wall in CM (1:4), mixed with water proofing compound top layer as per manufacturer's instructions and finished the surface even and fair without using extra cement, complete all as specified and directed. (Note : WPC shall be measured and paid separately against respective item as supply only.)

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

M&L for preparation of newly plastered surfaces of wall and applying two coats of cement base paint over a coat of alkali resistance primer, complete all as specified and directed.

M & L for preparation of newly plastered surfaces of walls and applying two coats of 100% acrylic weather proof exterior emulsion paint of approved colour and shade over a coat of exterior emulsion primer alkali & fungal resisatance (camouflage pattern) as per manufacturere's instructions, complete all as specified and directed.

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

M&L for preparation of newly plastered or unplastered surfaces of walls and applying two coats of distemper oil emulsion over a coat of chalk whitening primer, complete all as specified and directed.

Cleaning the surfaces of brick/rcc using wire brush , brooming down and washing down with water to remove dust etc. and brushing with neat cement slurry @0.5 kg/sqm with acrylic based polymer modified cementitous composite (Pidifine 2K) @ 0.50 kg/sqm, complete all as specified and directed.

M&L for 40mm thick, PCC (1:2:4) type B-0, (using 12.5mm graded crushed stone aggregate) as in sub base, floors and paving etc, in alternate bays and finished the surface even and smooth using extra cement, complete all as specified and directed. Note- Glass strips shall be measured and paid separately.

M&L for 38mm deep glass dividing strips, 3mm thick inserted in position, conform to design, complete all as specified and directed.

M&L for preparation old plastered surfaces of wall and applying one coat of 100% acrylic exterior smooth emulsion paint alkali & fungal resistance of approved colour shade (camouflage pattern) as per manufacturer's instructions, complete all as specified and directed.

M & L for complete removal of existing treatment of wall surfaces and applying two coats of 100% acrylic exterior smooth emulsion paint alkali & fungal resistance of approved colour shade (camouflage pattern) as per manufacturer's instructions, complete all as specified and directed.

S&F in repair galvanised. 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured), complete all as specified and directed.

Taking down loosed barbed wire, restraining, resecuring and re-fixing with and including new galvanised mild steel wire, staples or steel pins etc, complete all as specified and directed.

S&F in repair for 610mm dia barb (upstretched) conseczal super razor punched tape (SRPBT) aluminium base helix coil with and including necessary GI fixing clips for securing, complete all as specified and directed. Note (i) : No of circles - 51 turns per coil, weight of each coil with hessian pack 8.50 Kg (+ 0.5), coverage per coil - 6 RM, central core wire :- Made from 2.5mm dia (+ 0.05mm) GI - H.T.S.S wire as per IS -4454 Part l grade SM UTS : 1600N / sqmm with zinc coating of 240 gm per sqm, galvanized as per IS-2629, Razor punched strip - Razor punched tape is CONSEC-ZAL steel comprising of aluminium base with zinc alloy @ 150 gm per Sgm confirming to ASTM A-792 / A-792M with additional primer treatment of epoxy / polyurethane of 2-m micron thick and final paint top coat of certified green shed (BSL 139) by hot dipping process of 15 micron thick, length of barb 23.5mm (+1 mm), width of barb 18.6 mm (+ 1mm), centre to center pitch 36mm (+ 1mm), centre width 7.4 mm (+ 1mm), GI fixing accessories "C" clip 2mm wire diameter, 40mm long, 15mm center dia "U" clip 1mm thick, 28mm straightened length, " J" clip:- 31mm length, 8mm width, 1mm thick. (ii) Running length of the fencing shall be measured for payment purpose.

M&L for PCC (1:2:4) type B1 (using 20mm graded crushed stone aggregate) as in fixing of angle etc of smooth finishing without using extra cement, complete all as specified and directed.

M&L for preparation of old painted steel or iron surfaces and applying one coat of synthetic enamel paint (1st grade quality) any description over 10cm width or girth, complete all as specified and directed.

Note: An amount of Rs.86,050.00 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.

M/S DEY ENTERPRISE

CONSTRUCTION SHELTER

M/S. VINITA CONSTRUCTION

M/S I P GROUP

M/S MANODEEP CONSTRUCTION

M/S SANMILAN NANDI

M/S ANNI ENTERPRISE