REPAIRS TO ROOF SHEETING, CEILING, TRUSS AND PURLIN, ROOF TREATMENT, CLEANING OF WATER TANKS AND OTHER ALLIED WORKS OF BLDGS OF ARC, MES, MDC AND 11 WEU AT HAPPY VALLEY UNDER GE SHILLONG

Amount

M&L for water proofing treatment to RCC roof slab, including parapet comprising with the following courses of treatment/specification from bottom to top:- (i) Taking out old roof treatment and roughening the same old concrete slab by picking, sweeping clean and washing down with water to remove dust etc. (ii) Screed bed or bedding layer of mortar 15 mm thick in cemcent sand mortar 1:4 for laying as in roof slab with mixing of WPC and surface finished even and fair without using extra cement. (Note: WPC shall be measured and paid for under separate items) (iii) Cleaning of plastered roof surface and applying one coat of cold bituminous primer @ 0.25ltr /Sqm conforming to IS:3384-1986. (iv) APP based polymeric membrane 3mm thick (minimum), weighing 3.5 Kg/sqm reinforced with polyester non woven fabric (weighing not less than 150 gms/Sqm) shall be applied over bituminous primer as specified above . Application of polymeric membrance shall be done by torch application. The overlaps shall be minimum 100mm on the transverse direction and 75mm on longitudinal direction. (v) Applying one coat of aluminum paint over the APP modified membrance @ 0.11Kg/sqm. (vi) The subject item shall be executed by the specialist firm or company or their authorised rep duly approved by the Accepting officer.

M&L for Roof treatment work including wire brushing and cleaning the top surfaces of roof including flashing and surface painting with a layer of blown bitumen of any penetration by using blown bitumen @ 1.7Kg /Sqm , lightly tampered (area of flashings etc shall be added to the roof area) and providing APP membrane 3mm thick (minimum) , weighing 3.5Kg/Sqm reinforced with polyster non woven fabric (weighing not less than 160 gm/Sqm) shalll be applied by torch application. The overlaps shall be minimum 100mm on the transverse direction and 75 mm on longitudinal direction including taking out old unserviceable one. Note: The subject item shall be executed by the specialist firm or company or their authorised rep duly approved by the Accepting officer.

M&L for water proofing treatment to RCC roof slab (accessible) comprising with the following courses of treatment/specification :- (i) Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises. (ii) M& L Roof treatment work including wire brushing and cleaning the top surfaces of roof including flashing and surface painting with a layer of blown bitumen of any panetration by using blown bitumen @ 1.7Kg /Sqm , lightly tampered (area of flashings etc shall be added to the roof area) and providing APP membrane 3mm thick (minimum) ,weighing 3.5Kg/Sqm reinforced with polyster non woven fabric (weighing not less than 160 gm/Sqm) shalll be appliex by torch application.The overlaps shall be minimum 100mm on the transverse direction and 75 mm on longitudinal direction including taking out old unserviceable roof treatment works. (iii) Screed bed or bedding layer of mortar 15 mm thick in CM 1:6 for laying as in roof slab with mixing of WPC and surface finished fair and smooth without using extra cement. (Note: WPC shall be measured and paid for under separate items) (iv) M&L for 22mm thick PCC tiles (conforming to IS) of size 250 X 250mm or 300 X 300mm laid over the bedding layer & jointing with neat cement slurry and sealed with 2mm deep epoxy compound. (v) The subject item shall be executed by the specialist firm or company or their authorised rep duly approved by the Accepting officer.

Supply only integral water proofing compound, ISI marked.complete all as specified and as directed.

Cleaning and removing all scale and dirt etc from PVC/RCC/MS overhead tanks by using wire brush, bleaching powder or lime etc of required quantity and washing with clean water from tank and mouth of circulating pipe after disconnecting existing tanks, setting aside (or lowering if required) for repair, cleaning, etc and hoisting if required, reconnecting and refixing in position of capacity exc 250 n.exc 500Ltrs incl writing "TC on -DD/MM/YY" with white synthetic enamel paint with 5 cm font in capital letters etc complete all as specified and directed.Note:- Proper record of cleaning of tank done under subject item shall be maintained in a register by sub division ,duly authenticated by user or user rep and Engineer-in-charge and shall be produced at the time of claiming any payments.

All as per item No.5 here-in-before but capacity exc 500 n.exc 1000Ltrs complete all as specified and directed.

S&F in repair rotational moulded polyethylene 500 ltrs capacity water storage tanks , three layered, (ISI marked) (cylindrical vertical with closed top) hoisted and fixed in position in SSR Part-I including ball valves 20mm dia high pressure of PTMT with epoxy coated aluminium rod & high-density plastic ball including 20mm dia GI medium grade over flow pipe, approx lenght 1.5 mtr, 25 mm dia wash out pipe with pluged at one end complete all as specified and directed.Make:- Polytuf / Sintex / Polycon.

S&F in repair Rotational moulded HDPE polyethylene 1000 ltrs capacity water storage tanks three layered, (ISI marked) (cylindrical vertical with closed top) hoisted and fixed in position in SSR Part-I including ball valves 20mm dia high pressure of PTMT with epoxy coated aluminium rod & high-density plastic ball including 20mm dia GI medium grade over flow pipe, approx lenght 1.5 mtr, 25 mm dia wash out pipe with pluged at one end complete all as specified and directed.Make:- Polytuf / Sintex / Polycon.

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

S & F 15 mm bore steel water tubing medium grade galvanised with and including all fittings and fixed to walls and ceilings or laid under floors including taking up or down complete all as specified and directed.

S & F 20 mm bore steel water tubing medium grade galvanised with and including all fittings and fixed to walls and ceilings or laid under floors including taking up or down complete all as specified and directed.

Refixing 15 mm bore old steel tubing but with new GI fittings after cleaning the pipe, in new or old position ( wall, ceiling or floor) including taking up or down complete all as specified and directed.

Refixing 20 mm bore old steel tubing but with new GI fittings after cleaning the pipe, in new or old position ( wall, ceiling or floor) including taking up or down complete all as specified and directed.

M & L for cutting chases, of girth not exceeding 10 cm for concealed water tubing in stone/brick masonry wall built in cement mortar and making good, disturbed surface in cement sand mortar (1:3) complete all as specified and directed.

M&L Non-skid ceramic colour tiles (premium/special quality) 7 to 8 mm thick , (square/rectangular), area of each tiles exceeding 0.06 Sqm but not exceeding 0.11 Sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match with the colour of the tiles over and including 15 mm thick screed bed in cement sand mortar 1:4 including dismantling floor/hearth or wall tilling including cement mortar bedding but not backing removing serviceable tiles to store and rubbish off premises complete all as specified and as directed.

M & L for Non skid ceramic coloured tiles 7 to 8 mm thick (Square or Rectangular) area of each tile exc. 0.11 Sqm but not exc. 0.18 sqm, as in floor etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface including 15 mm thick screed bed in cement sand mortar 1:4 including dismantling floor/hearth or wall tilling including cement mortar bedding but not backing removing serviceable tiles to store and rubbish off premises complete all as specified and as directed.

M & L for glazed ceramic coloured tiles 300 mm X 200 mm X 7 mm thick as on vertical surface of wall such as skirting, dado, riser etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface of tiles including 10mm thick rendering in CM (1:4) on fair faces of brick or concrete surfaces finished fair and even on vertical surfaces of wall including dismantling floor/hearth or wall tilling including cement mortar bedding but not backing removing serviceable tiles to store and rubbish off premises complete all as specified and directed.

M & L for glazed ceramic coloured tiles 450 mm X 300 mm X 7 mm thick (premium/special quality) as on vertical surface of wall such as skirting, dado, riser etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface of tiles including 10mm thick rendering in CM (1:4) on fair faces of brick or concrete surfaces finished fair and even on vertical surfaces of wall including dismantling floor/hearth or wall tilling including cement mortar bedding but not backing removing serviceable tiles to store and rubbish off premises complete all as specified and directed.

M & L for Vitrified ceramic tiles light shade, 10mm thick (square/rectangular) polished, area of each tiles not exceeding 0.36 Sqm in floors, set and jointed in cement slurry and pointed in white or colour cement to mach over and including screed bed 15mm thick in cement sand mortar 1:4 complete all as specified and directed including dismantling floor/hearth or wall tilling including cement mortar bedding but not backing removing serviceable tiles to store and rubbish off premises complete all as specified and directed.

M&L for PCC 1:3:6 type C2 using 40mm graded stone aggregate as in sub base including demolition of plain cement concrete (unreinforced) in ground floors and pavings nexc 15 cm thickness (below or above ground level) including removing debris from site and throw away low lying area etc complete all as specified and as directed.

S & F of 0.63 mm thick galvanized corrugated iron (CGI) sheeting with two corrugation side lap sheets having zinc coating @ 120 gram per sqm inclusive of both sides, fixed with coach screws and washers as in roof covering etc including dismantling any gauge, thickness, including Nainital or similar pattern roof cverings complete all as specified and directed.

Refixing only 0.63 mm thick galvanized corrugated iron (CGI) sheeting with two corrugation side lap sheets having zinc coating @ 120 gram per sqm inclusive of both sides, fixed with coach screws and washers as in roof covering etc. including dismantling any gauge, thickness, including Nainital or similar pattern roof cverings complete all as specified and directed.

S & F 0.63mm thick Plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 120 including dismantling any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specifid and as directed.

S & F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as including dismantling any gauge, thickness, including Nainital or similar pattern roof cverings complete all as specified and directed.

S & F Pre- painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as including dismantling any gauge, thickness, including Nainital or similar pattern roof cverings complete all as specified and directed.

S & F in repair 110 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joint fixed to walls including clamps for securing pipe complete all as specified and directed.

S & F in repair 75 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joint fixed to walls including clamps for securing pipe complete all as specified and directed.

S & F in repair 110 mm bore PVC (SWR) branch piece, single (Single ‘Y’ or 'T') equal or unequal complete all as specified and directed

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

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

S & F in repair 75mm bore PVC (SWR) floor trap, plain with grating including jointing with solvent cement complete all specified and as directed.

S&F in repair 100 mm dia Grating doom of PTMT (minimum weight 25gms) complete all as specified and directed.

S&F in repairs PVC flush pipe of low or high density 32mm dia including jointing and fixing complete all as specified and directed.

S&F in repair PVC (Plastic polymer flushing Cistern) valve less, Symphonic action type, flushing cistern of capacity 10 litres, low level, white with inlet, ball valve, manually operated with one PVC ball valve horizontal plunger type including provision of 32mm PVC flush pipe of required length and making connections complete all as directed by Engineer-in-Charge . Make:- Prayag cat part no. 503 or equivalent make of Parrywarel/ Hindware.

S & F in repairs 450 mm long PVC connection with two Nos. PTMT nuts internally threaded and PVC washer suitable for 15 mm bore pipe line complete all as specified and directed.

S & F in repairs 600 mm long PVC connection with two Nos. PTMT nuts internally threaded and PVC washer suitable for 15 mm bore pipe line complete all as specified and directed.

S&F in repair Vitreous china squatting pan of Orissa Pattern of size 580x 440 mm ,white with ‘P’ or ‘S’ trap , front or back inlet but excluding flushing cistern and flush pipe including placing in position in floor and embedded in cushion of PCC type E2 ( using 40 mm graded crushed stone aggregates), 1:5:10 and finishing the top surfaces to match with the existing flooring etc complete all as specified and as directed .Make:- Prayag/ Parryware / Hindware.

S&F in repair Vitreous China wash down (EWC) water closet pan (pedestal pattern), white (excluding flushing cistern and flush pipe) but including PVC water closet seat cover closed pattern with flat bottom and cover with PVC hinge device, flushing pipe, fixing bolt for pedestal pattern and making good to disturbed surfaces of floor etc complete all as specfied and directed. Make:- Prayag/ Parryware / Hindware.

S&F in repair 40 mm dia LDPE pipe of pressure rating 6 kg/cm2 laid in trenches with all fitting and fixed complete or laid in floors complete all as specified and directed

S & F of 2nd class hardwood scantling, clean sawn in any position and any description as in unframed work including dismantling of timber scantling 40 Sqcm and over in section, in any position as in unframed or framed workcomplete all as specified and directed.

M&L for 4mm thick Non asbestos fibre cement building boards fixed or laid/ inserted to timber/GI/Aluminium framework with nails as in ceiling including dismantling wall & ceiling boards of any description including cover fillets complete all as specified and directed.

M&L for 2nd class hard wood plain fillets square, rectangular or triangular in section, clean sawn, fixed with nails sec are exc. 6 sqcm but n. exc. 13 sqcm complete including dismantling of fillets before fixing new fillets all as specified and directed.

M&L 2nd class hard wood plain fillets, square, rectangular or triangular in section, clean sawn secured with nails or brads of sectional area exc. 13 sqcm but n. exc. 25 Sqcm complete including dismantling of fillets before fixing new fillets all as specified and directed.

M&L for preparing surfaces of wood and wood based materials, new or old, of any description and girth, not otherwise described and treated with two coats creosote oil complete all as specified and directed.

M&L for preparation of surfaces of any description n.exc 10 cm width/girth not otherwise descibed & apply two coats of Synthetic Enamel paint over a coat of pink primer wooden surface complete all as specified and directed.

M&L for preparation of new ceiling surfaces and applying two coats of white wash complete all as specified and directed.

S&F false ceiling of Non asbestos fibre decorative cement building boards, manufactured from homogeneous mixture of cement, quartz and cellulose and cured with high pressure steam using auto claving process confirming to IS-14862, of size 605 mm x 605 mm x 4 mm thick fixed over and including anodised aluminium powder coated (minimum thickness of powder coating 50 micron) snap grid frame work of T section (main & cross member) of size 25 mm x 25 mm x 1.5 mm thick in square pattern of grid size 605mm X 605mm. The aluminium frame work will supported on side wall with the used of aluminium 'L' section of size 25 mm x 25 mm x 1.5 angles etc. Snap grid shall be supported with hangers of 4 mm dia. Galvanised iron wire adjusting level fixed to roof slabs / truss etc by means of ceiling cleats made out of Galvanised iron flat of size 40 x 3 mm size 60 mm long and expansion hold fasteners 12.5 mm dia 40 mm long including dismantling wall & ceiling boards of any description including cover fillets complete all as specified directed by the Engineer-in-Charge.

S&F in repair 20 mm dia ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed minimum weight 210 gms for iron pipe and fixed complete all as specified and directed.

S&F in repair 25 mm dia ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed minimum weight 455 gms for iron pipe and fixed complete all as specified and directed.

S&F 3mm thick sheet glass ordinary quality & glazing with oil putty or fitted with wooden beads in squares n.exc. 0.50 sqm in each pane including hacking out old broken glass with puty or fixed with wooden bends complete all as specified and directed.

S&F 3 mm thick frosted glass ordinary quality & glazing with oil putty or fitted with beads in squares n.exc. 0.50 sqm in each pane including hacking out old broken glass with puty or fixed with wooden bends complete all as specified and directed.

S & F in repairs to 600mm long PVC flexible Waste pipe to WHB/urinals/Sink complete all as specified and as directed.

M/S SR BUILDERS