MAINTENANCE REPLACEMENT OF CERTAIN B R WORKS UNSV PIPES VALVES PIT CHAMBERS RENEWAL OF EARTHING ALONGWITH CLEANING OF UG SUMP

Amount

B/R Items: Excavating in post holes( or similar holes) each n exc 0.50 cum , getting out,returning filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in soft/ loose soil complete all as specified and directed.

M&L for PCC 1:3:6 using 40mm graded stone aggregate, type C2 as in foundation filling & mass concrete complete all as specified and directed.

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

M&L for MS work in posts and struts in fencing including cutting tops to shape as directed, drilling holes,notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc.,and similar work conforming to Fe-290 Gde E-165 and similar work complete all as specified and directed.

S&F Mild steel screw bolts Diameter of neck in 5 to 10mm (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long complete all as specified and directed.

M&L for Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

M&L for rolled sections as in main and cross beams, hip and jack rafters, purlins where connected to comman rafters and running rails fixed with angle cleats or other connecting plates conforming to Fe 410 W (Gde E-250) quality-A including welded to rafter,purlin complete all as specified and directed.

M&L for Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment etc conforming Fe-410W(GdeE-250) quality -A complete all as specified and directed.

S&F MS framed work confirming to Fe 410 -W quality A as in doors or gates of angle or other section with gusset plates, rails,braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete all as specified and directed.

Dismantling posts or struts (wood, steel or R.C.C.) any section, including taking out embedded portion and making good disturbed ground Posts embedded in Concrete, brick work, masonry, etc complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc.including provission of binding wire complete all as specified and directed.

S&F 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 strain- ing bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. complete all as specified and directed. (each line wire to be measured)

M&L Running welding in repairs to gates, doors, hold fast of doors on metal thickness n exc 6mm complete all as specified and directed.

Supply only Chain link MS galvanisd fencing, any size or type all as specified and directed.

S&F Pre- painted coloured trapezoidal profiled Galvalume/ Zincalume sheet with min thickness 0.50mm TCT confirming to IS - 513(AZ-150 GSM, Al Zn allay metalic coating with 550 Mpa yield stress as per AS-1397) as in roof covering/cladding to wall, fixed with self tapping screws colour exterior coat of silicon modified polyster/BHP x RW paint system 20 micron top coat applied over 5 micron primer and 5 micron polyster back coat applied over 5 micron primer , all fixed with galvanized self drilling self tapping fastner (12-14 x 55 with EPDM seals) complete all as specified and directed.

S&F Pre- painted coloured plain sheet Galvalume/ Zincalume sheet with min thickness 0.50mm TCT confirming to IS - 513(AZ-150 GSM, Al Zn allay metalic coating with 550 Mpa yield stress as per AS-1397) as in roof covering/cladding to wall, fixed with self tapping screws colour exterior coat of silicon modified polyster/BHP x RW paint system 20 micron top coat applied over 5 micron primer and 5 micron polyster back coat applied over 5 micron primer , all fixed with galvanized self drilling self tapping fastner (12-14 x 55 with EPDM seals) complete all as specified and directed.

M&L for 75mm thick PCC 1:3:6 type C1 (Using 20mm graded stone aggregate) as in plinth protection finished even and smooth without using extra cement.Joints to be given at every 3m interval and corners of buildings and fitted with bituminious mastic or equivalent filler complete all as specified and directed.

M&L for 40mm thick cement concrete type B-1, 1:2:4 (using 20 mm graded stone aggregates) as in flooring, rough finished for hard stading complete all as specified and directed.

Dismantling of floor, hearth or wall tiling / Paving Blocks including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises etc complete all as specified and directed.

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

Taking down existing un-sreviceable water proofing treatment from roof slab and slab and cleaning the roof by wire brush and removing WPT felt beyond the MOD premises etc. cement plaster on brick or stone walls, etc.complete all as specified and directed.

M&L for two coats of synthetic enamel paint over one coat of red oxide on new steel surfaces of any description over 10cm in width or girth including preparation of surfaces complete all as specified and directed.

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 all as specified and directed.

Demolition of cement concrete in ground floor and paving n.exc 15 cm thickness( below or above ground level) 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 directed.

Dimantling of Asbestos cement (corrugated,semi corrugated, etc.) sheets in roof coverings including ridges etc complete all as specified and directed

M&L for Glazed ceramic tiles coloured 300mmx 450mm , 6 to 7 mm thick as in skirting / dado, set and jointed in neat cement slurry and pointed in white or colour cement to match over and including 10 mm thick in cement mortar 1:3 on fair faces of brick work or concrete surface etc complete all as specified and directed.

M&L for pre polished coloured cement concrete chequred tile of size 300x300x25mm with grey cement and no pigment of approved quality on floors over and including 15 mm thick screed bed cement mortar 1:6 set and jointed in neat cement slurry and pointed with colour to match the tiles complete all as specified and directed.

M&L for providing and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks,lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand; complete all as specified and directed.

M&L for rendering 15 mm thick in cement mortar 1:6 on fair faces of brick work or concrete surfaces and finishing surfaces even and smooth without using extra cement complete all as specified and directed.

M&L for preparation of new undecorated surface of wall and applying two coats of white wash complete all as specified and directed.

Material & Labour for prepration of old surfaces including complete removal of existing treatment and applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over existing surfaces of height upto 25mtrs from ground level complete all as specified and directed. (Note: Rate for scaffolding and all misc connected materials for painting upto 25mtrs to be considered in quoted rate)

Dismantling of stone slabs and tiles of any description or thickness in floors, approachs, dado/Partitions etc complete all as specified and as directed.

M&L for surface preparation free from frost, surface laitance and contamination free from loose aggregate or other sharp protrusions with fairly smooth finish for applicaion of water proof coating prime the surface with water including removal of all existing treatment, bituminious membrane, tarfelt.screed concrete etc from RCC roof slab complete all as specified and directed.

M&L for waterproofing coating by providing and applying Fostoc Brushbond Roof Guard of FOSROC or equivalent of SIKA/STP , a single component High build fibre Reinforced Acrylic Waterproofing render for roofing system applied by brush, at three coats at minimum dry film thickness of 1 mm, cured by reaction with atmospheric moisture to give a tough elastomeric waterproof membrane complete all as per manufacturer specification, specified and directed. Solid Content - 70%, Tensile strength ASTM D 412-1.10 Mpa, Elongation ASTM D12-100%, Resistance to ageing due to - 1000hours, UV radiation ASTM D4587 E - No Change, Rapid Chloride Penetration ASTM c 1202 - Very low, Pull off adhesion ASTM D541 - 0.92 Mpa, Resistance to Algae growth ASTM D 5589-97 - Passes, Zero rating, Permeability (mm) (BSEN 12390 part 8) -n 5.0, Water vapour transmission (ASTM E 96) - 6.0g/m2 h

E/M Items: Excavation in trenches not exceeding 1.50 m wide and 1.5 mtr depth for foundation etc, not exc 10 sqm on plan and getting out in soft/loose soil complete all as specified and directed.

Returning filling in including spreading, leveling watering well ramming in layers not exc 25cm thick complete all as specified and directed.

Removing excavated materials (soils) not exc. 50m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specified and directed.

M&L for PCC 1:3:6 type C2 using 40 mm grade cruhed stone aggregate for making good the road/path etc complete all as specified and directed.

M&L for surface excavation n.exc 30 cm deep and averaging 15 cm deep getting out in soft/loose soil for cleaning and cutting of grass/bushes (at zero level) in and around the installation / yard and spreading thin layer of anti-vegitaion chemical to prevent abnormal growth of grass/bushes including removal of surplus soil complete all as specified and directed. (Note :- The above item shall be carried out through out the contract period as and when required and shall measured and paid once only)

Taking down GI pipes 15 mm dia from trenches/walls etc complete all as specified and directed.

Taking down GI pipes 20 mm dia from trenches/walls etc complete all as specified and directed.

Taking down GI pipes 25 mm dia from trenches/walls etc complete all as specified and directed.

Taking down GI pipes 40 mm dia from trenches/walls etc complete all as specified and directed.

Taking down GI pipes 50 mm dia from trenches/walls etc complete all as specified and directed.

Taking down GI pipes 80 mm dia from trenches/walls etc complete all as specified and directed.

Taking down GI pipes 100 mm dia from trenches/walls etc complete all as specified and directed.

Labour only for refixing steel water tubing medium grade galvanised with new fitting laid in trenches/wall obtained from item No. 41 to 47 here-in-before for the following sizes :

15 mm Bore.

20 mm Bore.

25 mm Bore.

40 mm Bore.

50 mm Bore.

80 mm Bore.

100 mm Bore.

M&L for steel water tubing medium grade galvanised with new fitting laid in trenches for the following sizes :-

15 mm Bore.

20 mm Bore.

25 mm Bore.

40 mm Bore.

50 mm Bore.

80 mm Bore.

100 mm Bore.

S&F PPR (Poly Propylene random co-polymer) pipe size 90mm OD, PN-10 (SDR-11) IS-15801, 3-layer (outer green coloured UV stablized, middle black coloured UV stablizer and innermost layer white coloured with anti-microbial property) having thermal stability for hot & cold water supply with and including all necessary PPR plain and brass threaded fittings, laid in trenches complete all as specified & directed. (NOTE:- Contractor shall give 7 years warranrty certificate of the manufacturing defect and leak proof material & 50 years product life certificate will be submitted before RAR process).

Taking down unserviceable sluice valve 80 mm dia complect all as specfied and directed.

Taking down unserviceable sluice valve 100 mm dia complect all as specfied and directed.

Taking down unserviceable sluice valve 150 mm dia complect all as specfied and directed.

Taking down unserviceable sluice valve 200/250 mm dia complect all as specfied and directed.

S&F sluice valve cast iron confirming to IS : 14846 both end flanged with S/S spindle with nut class PN - 1.0 ISI marked complete with hand wheel nuts, bolts, washers & rubber gusket etc for the sizes complete all as specified & directed.

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

Taking down unserviceable Air release valve 80 mm dia complect all as specfied and directed.

S&F Cast Iron Air release valves conforming to IS 14845-2000 with tamper proof arrangement of size 80 mm bore complete all as specified and directed.

M&L for construction of brick masonry valve pit of size 1200x1200x900mm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded aggregate) as in foundation, and 15mm thick rendering in cement mortor (1:4) internally, externally up to 15cm below GL, providing valve pit cover made of 3 mm thick MS sheet/plate, welded with 40 X 40 X 5mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embeded in PCC 1:2:4 type B-1 (20mm graded aggregate) block of size 230 x 200 x 100mm and provision of hinges, handle and locking arrangement including two coats of anti-corrosive paint over a coat of red oxide zinc chrome primer and necessary excavation and earth work in soft/loose soil including dismantling of existing valve pit complete all as specified & directed.

M&L for construction of brick masonry valve pit of size 900x900x900mm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded aggregate) as in foundation, and 15mm thick rendering in cement mortor (1:4) internally, externally up to 15cm below GL, providing valve pit cover made of 3 mm thick MS sheet/plate, welded with 40 X 40 X 5mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embeded in PCC 1:2:4 type B-1 (20mm graded aggregate) block of size 230 x 200 x 100mm and provision of hinges, handle and locking arrangement including two coats of anti-corrosive paint over a coat of red oxide zinc chrome primer and necessary excavation and earth work in soft/loose soil including dismantling of existing valve pit complete all as specified & directed.

S&F mild steel machine made nuts, bolts & washers of size 15mm(5/8”) dia and 75mm (3”) long or nearest suitable sizes for top cover and side cover of Soda /Alum pot complete all as specified and directed.

M&L and repair for LED Aviation/ Obstruction Light installed on The Roof of Overhead reservoir or on High mast light complete all as specified and directed.

Supply and Fix in repairs Smart metal water level indicator with alarm on full tank with 05 no sensors of stainless steel molded with polypropylene contact type water level sensor for overhead water tank complete all as specified and directed.

Taking down CI pipes 80 mm dia, Checking, cleaning internally by using steel brush /scrubber throughly to remove all rusts/slit/mud etc from pipe and Keep the Serviceable pipes & Lead in safe custody for refixing in existing/new position including replacing worn out Sockets, nuts, bolts, flange, gasket complete all as specified and directed.

All as per item No. 63.00 above but for 100 mm dia.

All as per item No. 63.00 above but for 150 mm dia.

All as per item No. 63.00 above but for 200 mm dia.

All as per item No. 63.00 above but for 250 mm dia.

Labour only for refixing CI Pipes any type with fittings fixed to floor / laid in trench obtained from item No. 63 to 67 here-in-before for the following sizes :-

80 mm Bore.

100 mm Bore.

150 mm Bore.

200 mm Bore.

250 mm Bore.

Supply, jointing, laying and testing in standard length, centrifugally cast (spun) ductile iron (DI) pressure pipes with inside cement mortor lining and black bitumen external coating, nominal diameter, class K-7 classification, confirming to IS-8329 including push on and rubber gasket joints and jointing necessary DI specials etc complete all as specified and directed. (Note:- DI special/ fitting will be measured and paid seperately under relevent item of SCh'A'/BoQ)

80 mm Bore.

100 mm Bore.

150 mm Bore.

200 mm Bore.

250 mm Bore.

M&L for attending pipe line break down of CI pipe of 80 mm dia by making lead joint with lead and spun yarn and moulding clay including taking up/down pipe using chain pulley or rope and excavation in any type of soil,returning filling and removel of soil all as specified and testing of pipe line complete all as specified and directed.

All as per item no. 70.00 here-in-before but CI pipe of dia 100 mm

All as per item no. 70.00 here-in-before but CI pipe of dia 150 mm

All as per item no. 70.00 here-in-before but CI pipe of dia 250 mm

All as as per item no. 70.00 here-in-before but CI pipe of dia 300 mm

M&L for run lead joints for CI pipe of following bore of pipe with spun yarn and complete testing :-

80 mm Bore.

100 mm Bore.

150 mm Bore.

200 mm Bore.

250 mm Bore.

300 mm Bore.

M&L for Tyton rubber joint of size 100 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 150 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 200 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 250 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 300 mm dia complete all as specified and directed.

S&F CI/DI bends (any type, radius and angel) tapers any type (straingh, bend, increasing, decreasing or double socket etc) tee pieces single brancehs 'Y' junction double branch, cross (all socket or socket and spigot) collars, caps and plugs for following bore of pipes :-

Upto 150 mm bore

200 mm to 300 mm bore

M/L for PVC syntax capacity of 50000 Ltr cleaning throw bacteriological treatment TRABAC-G-05, TERBAC- G 65 at any height as per site requirement all as specified and directed.

M&L for six stage cleaning and sterloization inside the existing RCC UG water well (Jack well/Shallow well) of capacity 88000 gallon(approx) Size::Dia 6M, Depth-15 M through bacteriological treatment using TERBAC-G05. TERBAC-G65 or eqct at pump House included suitable staging for lowering & instllation of pump at any depth as required at site all directed by Engr-in -charge incl seven stages are as uinder:- (a) First stage is to drain out the water by using exit valve or our own high capacity dewatering system. (b) Second stage is cleaning all ther algae formation side inside the tank uising TERBAC G10 or equivalent a laboratory tested branded chemical of the company and scrubbing the walls of tanks. (c) Third stage is scrubbing the walls with mechanised scrubber & fresh cleaning. (d) Fourth stage is and first bacteria screening is sterilisation by using TERBAC-G5 or equivalent a Govt Laboratory certified branded halogen compound test certificate of TERBAC -G5 or equivalent from PHED or Authorised labaratory mentioning suitablity for sterilization should be submitted to the office before using for sterilization. (e) Fifth stage is cleaning the floor of the water tank. (f) Sixth stage of cleaning and third bacteria screening is to sterilize the floor of the water well by the using loaboratory certified branded strong oxidizing agent TERBAC-G65 or equivalent test certified of of TERBAC-G65 or equivalent from PHED or authorised laboratory mentioning suitability for sterilizarion should be submitted to the office before using for sterilizarion

M&L for six stage cleaning and sterloization inside the existing RCC overhead water tank of capacity 75000 gallon through bacteriological treatment by using TERBAC-G5, TERBAC-G65 or equivalent at pump house at any height (as per site requirement) all directed by Engr-in-charge including stagging seven stage are as under:- (a) First stage is to drain out the water by using exit valve or our own high capacity dewatering system. (b) Second stage is cleaning all ther algae formation side inside the tank uising TERBAC G10 or equivalent a laboratory tested branded chemical of the company and scrubbing the walls of tanks. (c) Third stage is scrubbing the walls with mechanised scrubber & fresh cleaning. (d) Fourth stage is and first bacteria screening is sterilisation by using TERBAC-G5 or equivalent a Govt Laboratory certified branded halogen compound test certificate of TERBAC -G5 or equivalent from PHED or Authorised labaratory mentioning suitablity for sterilization should be submitted to the office before using for sterilization. (e) Fifth stage is cleaning the floor of the water tank. (f) Sixth stage of cleaning and third bacteria screening is to sterilize the floor of the water well by the using loaboratory certified branded strong oxidizing agent TERBAC-G65 or equivalent test certified of of TERBAC-G65 or equivalent from PHED or authorised laboratory mentioning suitability for sterilizarion should be submitted to the office before using for sterilizarion

S&F in repairs Gun metal gate valve, Cast Copper alloy, screwed down high pressure with Crutch or Butterfly handle screwed both ends for iron pipe complete all as specified and directed for the following size:-

(Note : The Scope of Work contained in 'Sch of Credit' amounting to Rs. 1,09,105.00 (refer Tender Srl Page No 33). The Quoted sum shall be arrived at after deducting the amount of “Sch of Credit” from the total amount of the ‘BoQ’

GOUTAM KUMAR GHOSH

GAYATRI BUIDERS

M/S UTTAM ENTERPRISES

M/S K M CONSTRUCTION

Prahalad Rai

M/S G D CONSTRUCTION

M/S DUTTA CONSTRUCTION CO