MISC REPAIR WORKS AND PERIODICAL SERVICES TO CERTAIN BLDGS OF DAD COMPLEX AND AAO SHILLONG INCLUDING REPAIR REPLACEMENT AND CLEANING OF SEWAGE LINES, MANHOLES, SEPTIC TANKS, SOAK WELL ETC., AT SE FALLS AND REPAIR TO FENCING BOUNDARY WALL, DRAIN, CUL

Amount

Excavation in trenches in soft / loose soil n.exc 1.5m wide and n.exc 1.5m in depth; for foundation etc. n.exc 10 sqm on plan and n.exc 1.5m in depth and getting out etc complete all as specified and directed by Engineer in Charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers n.exc 25 Cm thick as in hard/dense soil etc complete all as specified and as directed by Engineer in Charge.

Removing excavated materials (soil) to a distance exc 250m and n.exc 500 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and as directed by Engineer in Charge.

M&L for salt glazed stone ware drain pipes 150 mm bore grade ‘A’ laid in trenches and jointed in cement mortar (1:1) including testing complete all as specified and directed.

M&L for salt glazed stone ware drain pipes 100 mm bore grade ‘A’ laid in trenches and jointed in cement mortar (1:1) including testing complete all as specified and directed.

Dismantling of cast iron or reinforced concrete drain pipes 100/75mm, jointed in cement mortar and taking out of trenches, if required complete all as specified and directed.

S&F High density polyethylene pipes (HDPE 'B' grade) 160mm dia of pressure rating 6 kgf/cm2 laid in trenches etc complete all as specified and as directed.

S&F High density polyethylene pipes (HDPE 'B' grade) 100mm dia of pressure rating 6 kgf/cm2 laid in trenches etc complete all as specified and as directed.

M&L for PCC (1:3:6) type C2 as in Concrete bed to 150 mm drain pipes including packing under and completely surrounding pipes with concrete after they are laid and tested complete all as specified and as directed.

M&L for PCC (1:3:6) type C2 as in Concrete bed to 100 mm drain pipes including packing under and completely surrounding pipes with concrete after they are laid and tested complete all as specified and as directed.

M&L for preparation of old decorated plastered wall surface including washing, rubbing down and stopping of distempered and painted surfaces on wall and applying one coat of acrylic distemper on wall complete all as specified and directed by Engr-in-charge.

M&L for preparation of old decorated plastered wall surface including washing, rubbing down and stopping of distempered and painted surfaces on wall and applying Two coat of acrylic distemper on wall over a coat of alkali resistant primer over a 1mm thick wall care putty complete all as specified and directed by Engr-in-charge, complete, all as specified and directed by Engr-in-charge.

S&F in repair PVC (SWR 'A' grade) pipes 110 mm dia single socketed in any length with rubber ring joints fixed to walls/ floor complete including clamps for securing pipe complete all as specified and directed.

S&F in repair PVC (SWR 'A' grade) pipes 75 mm dia single socketed in any length with rubber ring joints fixed to walls/ floor complete including clamps for securing pipe complete all as specified and directed.

S&F in repair PVC (SWR) 110mm dia branch piece, (Single Y) equal or unequal complete all as specified and as directed.

S&F in repair PVC (SWR) 110mm dia branch piece with access door, (Single Y) equal or unequal complete all as specified and as directed.

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

S&F in repairs PVC (SWR) bend with access door of any radius 110mm bore complete all as specified and as directed.

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

S&F in repair PVC (SWR) 110mm dia in junction single with access door, (Single T) equal or unequal complete all as specified and as directed.

S&F in repair PVC (SWR) 75mm dia in junction single with access door, (Single T) equal or unequal complete all as specified and as directed.

S&F in repair PVC (SWR) vent cowl 110mm dia complete all as specified and as directed.

S&F in repair PVC (SWR) vent cowl 75mm dia complete all as specified and as directed.

S&F in repair PVC (SWR) reducer 110mm dia complete all as specified and as directed.

S&F stack clamps made out of 50 mm by 5 mm flat iron and 16mm dia round iron stays, including bolts and nuts and securing ends of stays to wall or roof for 100 mm dia pipe complete all as specified and as directed.

S&F stack clamps made out of 50 mm by 5 mm flat iron and 16mm dia round iron stays, including bolts and nuts and securing ends of stays to wall or roof for 75mm dia pipe complete all as specified and as directed.

M&L for cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete (1:2:4) type B-l smooth finished, and reforming benching as required for 100 mm internal dia of pipe complete all as specified and as directed.

M&L for cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete (1:2:4) type B-l smooth finished, and reforming benching as required for 150 mm internal dia of pipe complete all as specified and as directed.

M&L for preparation of old decorated plastered surface including washing, rubbing down and stopping of distempered and painted surfaces of ceiling and applying One coat of acrylic distemper on ceiling complete all as specified and directed by Engr-in-charge.

M&L for preparation of old decorated plastered surfaces of ceiling including cornices, plasters etc including washing with water, rubbing down and stopping by brooming down, scraping down smoke soot, moulds, moss and efforescent salts and trading oil and greasy spots and applying One coat of white wash complete all as specified and directed by Engr-in-charge.

M&L for preparation of Old Decorated plastered surfaces of wall and applying one coats of white or tinned cement base paint after priming the surface with water complete all as specified and directed by Engineer-in-Charge.

M & L for preparation of old decorated surfaces of walls (plastered or unplastered) and cornices, by brooming down, scrapping down smoke soot, moss and efflorescent salts and trading oil and greasy spots etc and applying two coat of white wash on walls complete all as specified and as directed.

M&L for preparation of old painted wooden surfaces of any description n.exc 10 cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed by Engr-in-charge.

M&L for preparation of old painted wooden surfaces of any description over 10 cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed by Engr-in-charge.

M&L for preparation of old painted steel surfaces of any description n.exc 10 cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed by Engr-in-charge.

M&L for complete removal of existing treatment on wall surface and preparation of old or previously treated surfaces including washing with water, rubbing down and stopping by brooming down, scraping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and applying two coats of Acrylic emulsion distemper ( exterior weather coat) over a coat of alkali resistant primer of any tint as approved on wall surfaces to achieve smooth surface etc complete all as specified and as directed.

Demolition of brickwork or stone/boulder masonry, precast cement concrete block walling in any position, built in cement mortar including all quoins, arches, pillars etc complete all as specified and directed.

M&L for walling random rubble un-coursed well bonded, bedded and solidly hearted built in CM (1:6) complete all as specified and directed.

All as per item no. 38 here-in-above but except stone, using serviceable stones obtained from Demolition as per item no. 37, complete all as specified and directed.

M&L for precast cement concrete (1:3:6) type C1 (using 20mm graded aggregate) solid block masonry exceeding 10cm in width or girth and setting in CM (1:6) complete all as specified and directed.

M&L for precast cement concrete (1:3:6) type C1 (Using 20mm graded aggregate) solid building blocks or slabs 10cm thick (with plain or interlocking joints) setting in CM 1:4 complete all as specified and directed.

Extra over stone walling for hammer dressing to face stones and dressing of face beds and joints as specified of random rubble walling un coursed or brought up to courses in hammer dressing with maximum depression on face from straight edge held against the dressed surface n. exc. 40 mm of lime or sand stone complete all as specified and directed.

M&L for precast cement concrete type C1 (1:3:6, using 20mm graded crushed stone aggregates) as in bond stones set in cement mortar 1:4 complete all as specified and as directed.

M&L for raised pointing to random rubble masonry un-coursed or brought up to courses in CM 1:4 complete all as specified and directed.

M&L for PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in parapets, coping, benching, apex stone etc water trough and the like including weathering slightly rounding or chamfered angle and throating etc including necessary formwork complete as specified and directed.

M&L for Broken glass coping on top of walls in CM (1:3) including taking out unserviceable glass coping and removal of rubbish out of premises from site complete all as specified and directed.

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

M&L 100mm thick PCC 1:3:6 type C2 using 40mm graded stone aggregate as in , sub-base for manholes finished even and fair or even and rough as required complete all as specified and directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L for precast RCC 1:2:4 type B1 (using 20mm graded stone aggregate) as in cover slabs, shelves and similar articles set in CM (1:6) including necessary form work complete all as specified and directed.

M&L for Mild steel TMT deformed bars, 10 mm 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 0.9 mm dia or securing with clips quality confirming to Fe 500D complete all as specified and directed.

Taking down cement plaster on brick or concrete surfaces in any position including raking out joints, hacking for key, scrubbing down with water etc, Including removal of debris outside MD land all specified and directed by Engineer-in-Charge.

M&L for Rendering, 15 mm thick plaster in cement sand mortar ( 1:4), in two layers, top 5 mm thick with approved Water proofing compound @ 3% by the weight of cement or as per manufacturer’s instructions over a layer of 10 mm thick base layer etc complete all as specified and as directed by Engineer-in-Charge. Note: WPC shall be measured and paid separately.

M&L for Rendering 10 mm thick in cement sand mortar (1:6) on fair faces of concrete surfaces finished even and smooth without using extra cement etc complete all as specified and as directed by Engineer-in-Charge.

M&L for Rendering 5 mm thick in cement sand mortar (1:3) on Ceiling surfaces finished even and smooth without using extra cement etc complete all as specified and as directed by Engineer-in-Charge.

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

M&L for 75mm thick PCC 1:3:6 type C1 (using 20mm graded aggregate) as in plinth protection, hard standing finishing even & smooth without using extra cement complete all as specified and directed.

M&L for PCC type B2 (1:2:4) (Using 40mm graded stone aggregate) in surface channels and drains etc. finishing surface even and smooth without using extra cement including form work complete.

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

Add or deduct to the item no. 59 above for each 25mm girth or part thereof over or under 30cm complete all as specified and directed.

M&L for broken stone or boulders as in hardcore of gauge n. exc. 63 mm, deposited, spread and levelled in layers n. exc. 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M&L for PCC 1:3:6 type C2 (using 40mm graded aggregate) 100 mm thick as in sub-base, pavings etc., finished even and fair complete all as specified and directed.

M&L for forming construction joint 75mm deep x 10mm wide filled with sealing compound Grade-A complete all as specified and directed.

S&F of sand filling under floors or in foundation including watering and consolidation complete all as specified and directed.

M&L for providing machine pressed precast concrete polished interlocking paver block any shape and size of approved design confirming to IS 15658-2006 of 80 mm thickness, M-40 grade complete all as specified and directed.

Dismantling posts or struts (wood, steel or RCC) any section, including taking out embedded portion, embedded in concrete and making good disturbed ground complete all as specified and directed.

Excavation in post holes each n.exc. 0.5 cum in soft/loose soil getting out returning, filling in and ramming earth or broken rubble mixed with earth around in layer n.exc. 25 cm, watering and removing surplus soil to a distance n.exc. 50 mtr and making good surface complete all as specified and directed.

S&F MS screw bolt (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, exc. 5 cm and n. exc 10 cm long, diameter of neck 5 to 10 mm complete all as specified and directed.

Dismantling fencing wire mesh any type complete all as specified and directed.

Supply only chain link mild steel galvanised fencing of mesh size 75mm x 75mm (design of mesh shall be approved by GE) made of GI wire not less than 3 mm dia including line wires, to any type of standards, rails, straining bolts, etc including provision of binding wire complete all as specified and directed.

Fixing only chain link mild steel galvanised fencing of any mesh and type to any type of standards, rails, straining bolts etc including provision of binding wire complete all as specified and directed.

S&F in repair galvanised two strand steel barbed wire 2.24 mm dia barbed with 2mm dia barbs at 75 mm spacing 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. complete all as specified and directed (each line wire to be measured).

S&F 10 mm dia MS round bars of any length as in stiffener to chain link fencing fixed to fencing post complete all as specified and directed.

M&L for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete as in column and wall foundation including all necessary form work, complete, all as specified and directed.

M&L for PCC (1:3:6), type C1 (using 20 mm graded stone aggregate) as in foundation filling and mass concrete including all necessary form work complete all as specified and directed.

S&F mild steel angle iron or other sections for post and struts in fencing, flat iron fillets (for securing wire mesh etc) to fencing post, cut to shape, drilled and countersunk for screw, including cutting tops to shape as directed, drilling holes, notching for wire, embedding in concrete and screwing etc. conforming to Fe-290 Gde E-165 complete all as specified and directed.

Fixing only angle iron mild steel post and flat iron fillets in fencing including necessary cutting, drilling, welding etc. complete all as specified and directed.

M&L for preparation of new steel surface of any description over 10cm in width or girth and applying two coat of synthetic enamel paint over one coat of red oxide/ zinc chrome primer complete all as specified and directed.

M&L for preparation of new or previously untreated surfaces of wall and applying two coats of Acrylic emulsion distemper over and including a coat of necessary wall primer and necessary preparation etc complete all as specified and as directed.

M&L for preparation of newly plastered surface of ceiling and applying three coats of white wash complete all as specified and as directed by Engineer-in-Charge.

M&L for preparation of new plastered surfaces of walls and applying three coats of white wash, complete, all as specified and as directed by Engineer-in-Charge.

M&L for Exterior Emulsion paint (weather coat), two coats over one coat of alkali resistant wall primer including preparation of newly or previously undecorated plastered surface complete all as specified and directed.

M&L for Anti corrosive super synthetic enamel roof paint, one coat over old painted surfaces of CGI/PGI roof sheet including necessary preparation of steel surfaces complete all as specified and as directed.

Grubbing/ trimming of tree, trunk including (girth of trees n.exc 75mm) portion protruding over ground / walls / roof etc., digging out roots, filling holes with cement sand mortar (CM 1:4) mixed with WPC compound ( If required), levelling and making good to disturbed surface true to existing etc., removing the same etc complete all as specified and directed by Engineer in charge.

M&L for Rewriting / repainting letters or figures (Block, Roman, Italics and Indian) not exceeding 30 cm high complete all as specified and as directed.

Taking down chowkhat with shutter (without taking off shutter from the frame) and area exc 1.50sqm but not exc 4.0sqm each and removing from site of work complete, all as specified and directed by Engr-in-charge.

Taking down shutters of any description exc 1.0sqm but n.exc 2.0sqm each and removing from site of work complete, all as specified and directed by Engr-in-charge.

S&F 35mm thick Flush door shutters solid core construction with block board core and ply wood face panels commercial veneered on both faces complete all as specified and directed.

S&F Solid PVC door frame of size 50mmX47mm made out of 5mm plain colour PVC sheet reinforcement with M.S square tube, supplying & fixing in openings as per specification complete all as specified and directed by Engr-in-charge.

S&F Factory made solid panel PVC door shutter 30 mm thick (style) considering of frame made out of MS tubes for top & bottom rails. MS frame shall be covered with heat moulded plain colour PVC 'C' channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rails, lock rail & bottom rails on either side & as gap insert for top rail & bottom rail, Paneling of plain colour PVC sheet to be fitted in the MS frame welded/ sealed to the stiles & rails with suitable PVC sheet beading, and jointed together with solvent cement, fixing in the frame at site complete all as specified and directed by Engr-in-charge.

S&F Butt hinges, medium weight, cold rolled mild steel, size of hinges 100mm, ISI Marked, complete all as specified and directed by Engr-in-charge.

S&F aluminium anodised barrel tower bolts and fixed of 100mm length, ISI marked complete all as specified and directed by Engr-in-charge.

S&F aluminium anodised barrel tower bolts and fixed of 150mm length, ISI marked complete all as specified and directed by Engr-in-charge.

S&F aluminium anodised Handle cast type of 150mm length, ISI marked complete all as specified and directed by Engr-in-charge.

Hacking out old broken glass (any thickness, size, quality or description) from wooden frames or stone, concrete or brick surrounds, glazed with putty or fixed with beads complete all as specified and directed by Engr-in-charge.

S&F 4mm thick sheet glass ordinary quality and glazing with oil putty / wooden beads in square n.exc 0.50 sqm in each pane complete all as specified and directed by Engr-in-charge.

S&F 4mm thick figured glass, pin head type and glazing with oil putty or wooden beads in squares n.exc 0.5 sqm in each pane complete all as specified and directed.

S&F in repair mild steel galvanised wire cloth, 0.56mm nominal dia of wire and average width aperture 1.18 mm and fixed with tinned tacks or stainless steel wire staples complete all as specified and directed by Engr-in-charge.

M&L for preparation of new or previously untreated surfaces of wood and wood based materials of any description not otherwise described, over 10 cm width or girth and applying two coats of Synthetic enamel paint over a coat of pink primer complete all as specified and directed by Engr-in-charge.

Cleaning of sewage lines using split Bamboo with a gunny bag piece tied with bamboo with binding wire and inserting the bamboo in sewage lines through manhole/ gully trap clear flow of sewage is observed of 100/150/200 mm bore pipe complete all as directed by Engr-in-charge at site.

Dewatering and taking out/ removing sludge waste / foreign materials from septic tank using mechanical pump and disposal of raw water/effluent sludge/waste/foreign material by burying under ground borrow pit of suitable size and covering the pit with earth or earth mixed rubbish with spreading bleaching powder @ 1 kg per pit for disinfection purpose and removing surplus soil to a distance n.exc 50 m complete all as directed by Engr-in-Charge. Note: Measurement of sludge (Solid/Semisolid) shall be taken after draining out of effluent/water over the accumulated sludge and cost of earthwork in excavation for earth pit and spreading of bleaching powder shall deemed to be included in the unit rate quoted by tender against these item.

Dewatering and taking out/ removing sludge waste / foreign materials from soakage Pit & sewage wells using mechanical pump and disposal of raw water/effluent sludge/waste/foreign material by burying under ground borrow pit of suitable size and covering the pit with earth or earth mixed rubbish with spreading bleaching powder @ 1 kg per pit for disinfection purpose and removing surplus soil to a distance n.exc 50 m complete all as directed by Engr-in-Charge. Note: Measurement of sludge (Solid/Semisolid) shall be taken after draining out of effluent/water over the accumulated sludge and cost of earthwork in excavation for earth pit and spreading of bleaching powder shall deemed to be included in the unit rate quoted by tender against these item.

Cleaning of manholes depth n.exc 1.50 mtr each, with spades or bucket, taking out sludge from manhole and disposed off aside by burying the entire sludge under ground in a earth pit dug of suitable size by putting earth mixed with rubbish in it and spreading bleaching powder surrounding the pit and again using water with bucket and put into manhole to clear the sludge and ensure the sludge is drain out completely etc complete all as specified and directed. Note: Cost of earth work in excavation for borrowing the pit and removing surplus soil to a distance n.exc 50m and spreading of bleaching powder around and over the pit shall be deemed to be included in the rate quoted.

Cleaning of CI/RCC/PVC pipes of any dia from first floor to ground floor up to trap and 1st manhole along the wall, floor, including roding and removing waste material to a distance not exceeding 50mtr all as directed by Engr-in-charge.

Cleaning & removing all scale & dirt etc from tanks & from mouths of circulating pipes etc of capacity exc 500 litres & not exc 1000 litres with gunny bags, sand cleaning with fresh water and bleaching powder all as specified and directed by Engineer-in-charge.

Cleaning & removing all scale & dirt etc from tanks & from mouths of circulating pipes etc of capacity exc 1000 litres & not exc 2000 litres with gunny bags, sand cleaning with fresh water and bleaching powder all as specified and directed by Engineer-in-charge.

S&F in repair float valve of size 20mm, high pressure, polyethylene float with PTMT, epoxy coated Aluminium Rod and fly nut complete, screwed for iron pipe all as specified and directed by Engr-in-charge.

S&F in repair of PVC tank cover suitable for 500 to 1000 ltr capacity water storage tank each, complete, all as specified and directed by Engr-in-charge.

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/'J' type hook or L type hook and washers as in roof covering etc., in any gauge, thickness, including, dismantling of plain or corrugated steel sheeting any gauge thickness including Nainital or similar pattern roof coverings, complete, all as specified and directed by Engr-in-charge.

S&F 0.63mm thick Plain, galvanised corrugated iron (PGI) sheets, having zinc coating @120gms/sqm as in ridges, hips, valley gutters, drip and straight flashings etc, fixed in any pattern with coach screws or self tapping screws etc., in any gauge, thickness, including, dismantling of plain or corrugated steel sheeting any gauge thickness including Nainital or similar pattern roof coverings, complete, all as specified and directed by Engr-in-charge.

M&L for Anti corrosive synthetic super enamel roof paint, two coats over a coat of red oxide primer over new or previously untreated surfaces of CGI/ PGI roof sheet including necessary preparation of surfaces to receive painting by coating with mordant solution including washing cleaning etc., complete, all as specified and as directed by Engr-in-Charge.

M/s Chandan Kumar Thakur