REPAIRS TO MANGLORE PATTERN TILES GALVALIUM SHEET ROOF OVER ROOF PUF SHEET ROOF AND RCC ROOF IN ZONE B UNDER AGE BR 1 AT INS SHIVAJI LONAVLA

Amount

Dismantling mangalore pattern roofing tiles single layer including ridge tiles laid, bedded in cm complete all as specified and as directed by Engineer-in-Charge.

M&L for mangalore pattern roof tiles inter locking at side and joints laid dry complete all as specified and as directed by Engineer-in-Charge.

All as per item No 2 here-in-before but except tile complete all as specified and directed by Engineer-in-Charge.

Dismantling battens for tiles any size exceeding 15cm in spacing complete all as specified and as directed by Engineer-in-Charge.

Dismantling timber Scantling in fillets, rails, posts, rafters, purlins, etc. under 40 sq. cm in section complete all as specified and as directed by Engineer-in-Charge.

Dismantling timber Scantling 40 sqcm and over in section, in any position in framed work complete all as specified and as directed by Engineer-in-Charge.

S&F Tubular sections of size 50X25mm thick as in rafters fixed with self tapping screw of size not less than 75mm and 25X25 mm thick for battens fixed on rafters over CGI sheet roof with necessary fittings and welding for supporting mangalore pattern roof tiles complete (Fe 410-W, Grade-E-250 quality A)

Dismantling of CGI/PGI sheet roofing any gauge and any thickness including ridge, valley gutter etc complete all as specified and as directed by Engineer-in-Charge.

S&F CGI sheeting 0.63 mm thick with two corrugation side lap fixed with L or J type bolts in roof walls etc with grade of zinc coating 275 gm/sqm complete all as specified and as directed by Engineer-in-Charge.

All as per item No 9 here-in-before but except sheets complete all as specified and directed by Engineer-in-Charge.

S&F 0.63 mm thick Plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with L or J type bolt, grade of zinc coating 275 gm/sqm complete all as specified and as directed by Engineer-in-Charge.

All as per item No 11 here-in-before but except sheets complete all as specified and directed by Engineer-in-Charge.

Demolition of brick work or stone boulder masonry,built in cement mortar or cement lime mortar including all quoins, arches, pillars etc, but excluding ashlar facings, dressed stone work and precast concrete articles etc complete all as specified and directed by Engineer-in-Charge..

M&L for Ridge or hip tiles to suit Mangalore pattern roofing tiles, bedded and jointed in cement mortar 1:6 complete all as specified and as directed by Engineer-in-Charge.

All as per item No 14 here-in-before but except Ridge or hip tile complete all as specified and directed by Engineer-in-Charge.

M&L for Filleting in any position and to any shape in cement mortar 1:6 sectional area exc 25 but n. exc 50 Sqcm complete all as specified and as directed by Engineer-in-Charge.

Dismantling wall and ceiling boards(fibre,pulp, unsulation etc) or unsulation board/slab/beam kob, any thickness including cover gillet complete all as specified and directed by Engineer-in-Charge

Completely removing existing water proofing treatment of any descriptions and any type including top layer of plaster / china mosiac wherever occurs over roof and chhajja surfaces scrubbing the surface with wire brush and cleaning wash down with water to receive new cement plaster / PCC layer and removing the waste material / debris to a distance exc. 1500m n.exc. 2000m etc complete all as specified and directed by Engineer-in-Charge.

Wet Area Waterproofing: Providing and carry out waterproofing treatment to sound, moisture free concrete surface. System includes proper surface preparation to remove loose dust, dirt, loose mortar, curing compound etc., carry out cementitious injection grouting at leakage points (after pond test) and construction joints using cement slurry modified with Cebex 100 or equivalent-Plasticised expandive grout admixture supplied in 225 gm pouch, treatment of construction joints using polymer modified mortar prepared by using Nitobond SBR Latex or equivalent, application of polymer modified vatta at floor-wall junction, filling of annular space around rain water outlet using Conbextra GP2 or equivalent - Non-shrink cementitious grout. Application of Primer –Nitoproof WB primer or equivalent and followed by two coats of Nitoproof 600PF or equivalent- Liquid applied single component pitch free polyurethane coating coverage @ 2.3 kg/m2 to achieve 1.5 mm thickness in two coats followed by laying of 150 gsm non-woven geotextile layer etc. complete including all tools and tackles as per manufacturer’s specification.. Coating shall be having crack bridging of 2 mm, Elongation (ASTMD 412) – 600 %, Tensile Strength (ASTM D412) – 2.5 N/mm2, Recovery from 350 % Elongation (ASTM D412) – 95 %, 85% Solid Content, Tear Resistance (ASTM D624) – 15 Kn/m, Shore A Hardness (ASTM D2240) – 60, Water vapour transmission not more than 1g/m2/hr, Water Permeability (DIN 1048) – Nil, Service Temperature – -40°C to 70°C, Flash Point > 70 °C.

Protective Screed : providing and applying average 50-60 mm thick M-20 grade protective concrete screed in gradient of 1:100. The concrete shall be admixed with integral waterproofing compound Conplst WL Xtra at the dosage of 200 ml/bag of cement, compaction, finishing surface suitably, curing, cleaning, testing etc. complete all as per manufacturer's commendations as directed by Engineer-in-Charge.

M/L for rendering 15mm thick in cm 1:4 on concrete roof and chajja surface to get a uniform level surface for laying of membrane treatment

M/L for PCC 1:2:4 type B-1 (using 20mm graded agg) for PCC padding on RCC roof surface finished even and smoother using extra cement all as specified and directed by Engineer-in-Charge.

M/L for applying oil based bituminous primer @ 0.10 Kg/Sqm providing and laying 4mm thick. APP modified water proofing membrane weighing not less than 4kg/sqm re-inforced with non woven polyester matt weighing not less than 160 gm/sqm having softening point not less than 140 degree centigrade longitudinal tensile strength not less than 650 N/Sqm, tearing strength of 180N and with thermal insulation with the mineral / graved finish on upper side and laying with torches application and with 10 cm minimum lap in both direction length wise and width wise all as specified and directed by Engineer-in-Charge.

Disconnecting existing tanks of Exc 500 n not exc 1000 capacity(in ltrs) , setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position after carrying out Roof treatment with all accessories all as specified and directed by Engineer-in-Charge

Demolition of Reinforced cement Concrete water tanks of any size and any height over roof slab and making roof surface good including removing debrisposition not otherwise specifically provided for

Removing building materials etc. (other than spoil payable under items 03028 to 03031 in Section-3—Earthwork) to a distance of 100m but n exc. 5 km beyond the lead included in the rates, including loading, unloading and stacking at the destination

Dismantling of CGI/PGI /PUF sheet in roofing any gauge and any thickness including Nainital or similar pattern roof coverings including ridge, valley/gutter etc.

M&L for prefabricated puf roofing panel with one side trapezodial sheet & other side plain sheet with slight rib of 0.40mm TCT PPGI (Off white RAL 9002) with 50mm core of polyurethene foam of density 40kg/M3 (+2Kg/M3) fixed with self tapping screws all as manufacturer's instructions including all cutting as required as per site conditions having following specifications complete all as specified and as directed by Engineer-in-Charge. (a) Top Sheet - Profile as approved by GE (b) Bottom sheet - Plain sheet with slight ribs (c) Panel thickness - 50mm (d) Facing material - 300 Mpa Galvalume steel with 150cms Aluminium Zinc (e) Facing material thickness - 0.5mm TCT (f) Facing material coating - DFT 20 microns colour coated Rmp/Smp/PVDF coating over 5 microns primer.

S&F pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall/Shed, fixed with self tapping screws all as specified and as directed by Engineer-in-Charge.

Pre painted galvalume aluminium zinc coating GI based plain sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as specified.

Dismantling Aluminium Galvanised Manglore Tile Roof Sheet of sheet in roofing any gauge and any thickness including Nainital or similar pattern roof coverings including ridge, valley/gutter etc.

S&F Aluminium Galvanised Manglore Tile Roof Sheet of sheet thickness 0.5mm Trapeziodal shape having multiple color as in roof covering/ cladding to wall/Shed, fixed with self tapping screws all as specified and as directed by Engineer-in-Charge.

M&L For Closing bolt holes etc. in old corrugated steel sheets or Aluminium/Puf sheeting by sealing with one bitumen and one curved GI washer on either side and 6mm G.I. bolts and nuts,all set in stiff white lead, bolt n exc 25mm in length

M&L for End Cap of Puff Pannel Roofing

M&L for Pre-cast cement concrete (1:3:6) type B-1 block masonry with solid blocks, exc. 10 cm in width and setting in mortar (1:6) etc complete all as specifed and directed by Engineer-in-Charge.

M&L for providing plain cement concrete 1:2:4 type B-1using 20mm graded stone aggregate as in coping, bed block for angle iron horn and similar work etc including weathering ,slightly rounded or chamfered angle and throating as directed by Engineer-in-Charge including necessary form work complete

M&L for 15mm thick rendering in CM 1:4 on stone / Brick/Block masonry surfaces finishing the surface even and smooth without using extra cement complete all as specifed and directed by Engineer-in-Charge

Dismantling structural steel works including steel work in doors, gates, framed truss etc complete all as specified and as directed by Engineer-in-Charge.

S&F Roof trusses (framed), sunshade frames, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc. confirming to Fe-410-W(Gde-E-250) all as specified and directed by Engineer-in-Charge.

S&F steel work in Tubular trusses, vertical post connecting to plates, including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS 1161-1998 grade St-240 complete

M&L for Plates (plain or chequered) channels. Square cut or notched (ordinary and counter sunk) forming holes, without any attachment etc complete all as specified and directed by Engineer-in-Charge.

M&L for preparation of old/new steel surfaces, of any description, not otherwise described, over 10 cm in width or girth and applying two coats of anti-corrosive epoxy(poly Urethane based) over a coat of epoxy primer of approved make complete all as specified and directed by Engineer-in-Charge.

KARPE AND SONS CONSTRUCTION (BID ID -3425322)

United Engineers and Contractors (BID ID -3425146)

M/s S.D Construction Co (BID ID -3426219)

SAI SERVICE (BID ID -3426153)