REPAIR MAINTENANCE OF LEAKAGE SEEPAGE OF CERTAIN ROOF WALL SUNKEN FLOOR AND CONNECTED ITEMS AT VARIOUS LOCATION IN THE AREA OF BR II UNDER GE MAINT INF SCHOOL MHOW

Amount

Taking down existing old roof treatment of any description , any type including removal old Tar felt, screed, etc ccomplete all as specified and directed by Engr in Charge.

Disconnecting existing tanks, exc 250 and n exc 500 ltr capacity 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 by Engr in Charge.

Disconnecting existing tanks, exc 500 and n exc 1000 ltr capacitysetting 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 by Engr in Charge.

Taking up or down 15mm steel tubeing and connection , including cleaning for refixing or removal to store.complete all as specified and directed by Engr in Charge.

Taking up or down 20mm steel tubeing and connection , including cleaning for refixing or removal to store complete all as specified and directed by Engr in Charge.

Refixing of 15mm bore old steel tubing and connections on new or old position (walls, Ceiling, floor etc) complete all as specified and directed by Engr in Charge.

All as per item No. 6 above but 20mm bore. complete all as specified and directed by Engr in Charge.

S&F of tube medium grade(GI) 15 mm bore with all fitting in wall & ceiling or laid in floor completely all as specified and directed

All as per item No. 8 above but 20mm bore complete all as specified and directed by Engr in Charge.

Demolition of brick work or stone work, built in cement mortar including all quions, arches, pillars etc complete all as specified and directed

Taking down cement plaster on brick or stone walls/ceiling etc including racking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed by Engr in Charge.

M&L for Brick work with sub class 'B' Brick (modular brick) straight or curved on plan exc 6 m mean radius built in cm (1:6) complete all as specified and directed by Engr in Charge.

M&L for 15 mm thick rendering in cm 1:6 on fair faces of bricks walls surface finished even and smooth without using extra cement all as specified and directed.

Preparationof old or new plastered surfaces of wall and applying two coat of exterior weather proof water base emulsion paint white/coloured over a coat of oil base base primer over one coat of white cement based putty (where it is required) all as specified and directed. Putty shall be measured and paid seperately under Srl Item No. 17)

M&L complete removal of old decorated surface of wall and applying two coat of oil emulsion distemper white/coloured over and including one coat of birla wall care based putty (where it is required) all as specified and directed by Engr-in-Charge. Note:- Putty shall be measured and paid seperately under Srl Item No. 17)

M&L complete removal of old decorated surface of wall and applying two coat of interior plastic imulsion paint white/coloured over and including one coat of white cement based putty (where it is required) all as specified and directed by Engr-in-Charge. Note:- Putty shall be measured and paid seperately under Srl Item No. 17)

M&L for one coat of 3mm thick wall care putty on walls/ceiling all as specified and directed

S&F in repair of PVC(SWR) 110mm pipes double socketed in any length with rubber rings joints laid and fixed in repairs to walls including clamps of the following bore complete all as specified and directed by Engr in Charge.

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

S&F in repair of PVC(SWR) 75mm pipes double socketed in any length with rubber rings joints laid and fixed in repairs to walls including clamps of the following bore complete all as specified and directed by Engr in Charge.

S&F PVC(SWR) 75 mm bend complete all as specified and directed by Engr in Charge.

Demolition of cement concrete (unreinforced) of any description and in any position not other specifically provided complete all as specified and directed complete all as specified and directed by Engr in Charge.

M&L Providing cement concrete ( 1:2:4 ) type B-1(20mm graded aggregate) as in roof kerbs or mud stops, copings and levelling concrete etc slightly rounded or chamfered angles and throating all as directed complete all as specified and directed by Engr in Charge.

M&L for rendering/ screed bed on wall/ concrete / roof surfaces 10 mm thick in CM ( 1:6 ) finish even and smooth without using extra cement complete all as specified and directed.

M/& for cleaning thoroughly complete existing surface from walls & roofs and applying two coats of polymer modified cementitions based protective and water proofing coating as per manufacture instruction and directed by Engr-in-Charge Make Acrocoat.

Supply only Integral water profing compound mixed with cement mortar complete all as specified and directed.

Dismantling Asbestos cement (Corrugated, semi corrugated, etc) sheets including ridges in roof covering complete all as specified and directed by Engr in Charge.

Dismantling wrought iron or mild steel work any description not otherwise provided for complete all as specified and directed by Engr in Charge.

M&L for steel work in tubular/angle trusses including special shaped washers, purlins, rafters, posts etc complete all as specified and directed by Engr-in-Charge

S & F Pre-painted galvalume aluminium zinc GI based profile pattern 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 specified and directed by Engieneer- in Charge. Note: The Prepainted galvalume aluminium zinc GI based profile pattern steel sheet sould be TATA Blue Scope Colourbond XRW or Equivalent.

All as per item 30 above but plain sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) completed all as specified and directed.

M&L for two coats of synthetics enamel paint on steel surfaces over one coat of red oxide primer incl preparation of new steel surfaces of any description over 10 cm in width of girth not otherwise described. complete all as specified and directed by Engr in Charge.

M&L Cutting holes in brick walls exc half brick but not exc one brick walls built in CM for inserting hold fasts and making good dismantled portion in CM (1:3) or cement concrete (1:2:4) type B-1 as required. complete all as specified and directed by Engr in Charge.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fitting and accessories) complete all as specified and directed by Engr in Charge.

Preparation of surface of Roof/Chajja by removal of undulation with polymer mortar, cracks (other than hair cracks) filling by cutting it into "V" groove and fill it with polymer mortar made out of ShaliCrete/Liquidcrete, a single component multifunctional acrylic polymer having solid content 29% of STP Make / soprema/ Texsa; cement and coarse sand in the ratio of (1:2:5) and finally having a cement mortor plaster of (1:6) premixed with STP No. 1 / Liquidplast/Shaliplast LW+ of STP or equavalent of average thickness of 20mm and finished with coving at all junction wherever there is a change of direction. complete all as specified and directed by Engr in Charge.

Application of Primer coat with mix of ShaliCrete/Liquid crete, a single componenet multifunctional acrylic polymer/ equivalent as above and CM in (1:2) ratio and applying @ 1Kg/Sqm of the mix and allow it to dry for 3 to 4 Hrs. complete all as specified and directed by Engr in Charge.

Providing & laying in non-accessible / accessible Roof, Chajja, Paraper etc. of first coat of ShaliUrethane BTD/Liquithene BTD, water based single component any coloured polyurethane liquid membrane having solid content over 80%, service temperature from Minus 20 deg C to +100 dg C, Zero VOC content and with excellent UV stability; conforming to ASTM C 836 and 6083 of STP Make/ TEXPUR of Texsa/ Hyperdesno of Alchimica/ New Flex of W R Grace using @1 Kg/Sqm and laying, ShaliGeo Text 50 or ShaliGeo Text Nylon/ glass fibre net with an overlap of 50mm on both directions and sealing the overlap joints fully while the surface is tacky and allow to dry for 10 to 12 hrs, thereafter applying second coat of ShaliUrethane BTD/Liquidthane BTD @ 1Kg/Sqm saturating the reinforcement core and allow it to cure for overnight, all deck slabs, parapet are to be coated and terminated at the outer surface of the parapet. Note: (a) Rate are included for necessary scafolding at any height wherever required). (b) Each step must be approved by Engr-in-Charge/GE before proceeding to next step.

Providing a separation layer with 200 gsm non-woven Geotextile with an overlap of 50mm on both direction and spot seal it to avoid displacement. Finally a slip layer of 200 micron polythene sheet with an overlap and spot stick the overlap before PC as specified and directed by Engr-in-charge

M & L for PCC (1:2:4) of 65mm average thickness having lowest thickness at drain mouth of 40/50mm permixed with Shaliplast LW+/Liquidplast LW+ an integral water proofing admixture as specified and directed by Engr-in-charge.

M & L for Providing a groove of 10mm (width) x 6mm (depth) at every 3m on all RM sides and fill with ShaliSeal PU, single component Polyurethane sealant supplied in 600 ml sausage as specified and directed by Engr-in-charge

Preparation of cracks on wall / Roof/Chajja (other than hair cracks) filling by cutting it into 'V' groove and fill it with polymer mortar made out of ShaliCrete/Liquidcrete as specified and directed by Engr-in-charge

M & L for cement concrete tiles 20cm x 20cm x 20cm thick, machine pressed; set jointed and pointed in neat cement slurry in floors, and cut and polished with grey cment and no pigment including 15mm thick screed bed using CM (1:4) complete all as specified and directed by Engr-in-Chagre

Dismantling water tanks of any size or capacity all as specified and directed by Engr-in-Chagre.

S&F 500 ltrs capacity Rotational moulded polyethylene water storage tanks (Triple layer) (Cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I

S&F 1000 ltrs capacity Rotational moulded polyethylene water storage tanks (Triple layer) (Cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I

Dismantling of floor, hearth , or wall tiling including cement mortar bedding ( but not backing ) removing serviceable tiles to store yard and rubbish of the primeses complete all as specified and directed.

M&L for glazed ceramic coloured tiles of size (450x350)mm x 7 mm thick as on vertical surfaces such as wall, dado ,skirting etc set and jointed in neat cement slurry and pointed with coloured cement to match over 10 mm thick backing coat on fair faces of brick work in CM (1:4) complete all as specified and as directed.

Cleaning and removing all dirts and scales from service water tanks and from mouth of circulating pipes etc capacity of tank exceeding 250 ltr but not exceeding 500 ltr complete all as specified and directed.

All as per item no 48 above but exceeding 500 ltr but not exceeding 1000 ltr capacity complete all as specified and directed.

S&F in repair of 15mm bore bib taps chromium plated with crutch or butterfly handle ,screwed down , screwed for iron pipes or brass ferrule complete all as specified and directed.

S&F in repair of CP WHB mixer for mixing hot & cold water screwed down for iron pipe 15mm bore complete all as specified and as directed.

S&F in repairs of plastic water closet seat cover colour/ white, closed pattern with flat bottom and MS CP or aluminised hinging device complete all as specified and as directed.

S&F in repair of flexible type PVC waste pipe 32 mm bore of pipe for WHB/SINK/urinal, etc complete all as specified and as directed.

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

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

Excavating post holes or similar holes, each not exceeding 0.5 Cu. M, getting out in Soft/ Loose soil, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, watering, and removing surplus soil to a distance n.exc 50m & making good surface complete all as specified and directed by Engr in Charge.

M & L for PCC (1:2:4) type B2 using 40 mm graded aggregate as in foundation ,post, etc complete all as specified and directed by Engr in Charge.

S & F Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) complete all as specified and as directed.(Fe 410 Qyality A)

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

supply only Chain link MS galvanisd fencing, any size or type

S & F of 11 to 15mm dia of neck MS Screw bolts(Machine made ) with hexagonal or square heads at one end and screwed at other end or both end, and screwed end to be fitted with washer and one hexagonal or square n.exc 20 cm long etc complete all as specified and directed.

Mild steel TMT 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 mild steel wire (annealed) not less than 0.9 mm dia., or securing etc. complete all as specified and directed by Engr in Charge.

M&L for 75 mm thick PCC (1:4:8) type D-2 using 40mm graded as in foundation, sub base of floor, etc complete all as specified and directed

M&L in repair for chequered cement concrete tiles with grey cement and pigment of size (25cmX25cm) X 25mm thick ,set and jointed and pointed in neat cement slurry in floor etc over and including 15mm thick screed bed in CM (1:6) complete all as specified and directed.

M&L in repair for chequered cement concrete tiles with grey cement and pigment of size (40cmX40cm) X 30mm thick ,set and jointed and pointed in neat cement slurry in floor etc over and including 15mm thick screed bed in CM (1:6) complete all as specified and as directed.

M&L for water proofing treatment to non accessible roof and edges (vertical or tapered) etc. in following sequence:- (i) Properly cleaning and drying the surface (ii) Applying a coat of bitumen primer @ 1.2Kg/Sqm and primer shall be allowed to dry over night. (iii) Laying APP based modified water proofing membrane of weight not less than 3kg per sqm and thickness not less than 3 mm, with 100mm overlaps, sealed and bonded to the surface by 'torchon' method (iv) Applying two coat of bituminous based aluminum painting @ 0.15 kg/Sqm each coat on water proofing treatment with preparation of surfaces complete all as specified and directed at site.

M&L for repairs of existing APP modified water proofing membrene of size 1m x 2m by removing the existing treatment; properly cleaning and drying of the roof surfaces, parapets, gutters, drain mouths, etc for all foreign matters such as fungus, moss, dust, etc by wire brushing and dusting surface; applying a coat of bituminous primer conforming to IS: 3384-1965 @ 0.3Kg/Sqm on the prepared surface till the surface is properly impregnated and laying APP modified membrane with non woven polyester reinforced, weight not less than 3 KG/SQM and thickness of membrane not less than 3mm having thermal insulation with white mineral/gravel finish on upper side of membrane with 100mm overlap in longitudinal direction and 100mm overlap in transverse direction sealed and bounded to the surface by torch application method complete all as specified and directed.

M/S Pawan Babulal

BHATIA ASSOCIATES

M/S Parikshit Sharma