REPAIRS TO ROOF, CEILING AND MISC WORK AT DARJIPURA AT AFS BARODA

Demolition of unreinforcement lime concrete/cement concrete in padding to roof slab and removing the rubbish off premises complete all as specified and directed.

M&L for providing cement concrete, 1:2:4 Mix, type B-0, (using 20 mm graded crushed stone aggregate) laid to stop 1:30 as in padding for WPT over roof slab complete all as specified and directed.

M&L for providing cement concrete 1:2:4 Mix, type B 0, (using 12.5mm graded aggregate) as in cover fillet of 75 mm radious at junction of roof slab and parapet wall etc complete all as specified and directed.

M&L for removing existing unserviceable water proofing treatment, taking down cement plaster etc, of any description and cleaning of top surface of cement concrete flushing out junction of parapet walls & washing down with water to remove all dirt etc including preparation of surfaces to receive new treatment and removing the rubbish off premises complete all as specified and directed.

M&L for applying cold bituminous primer @ 0.4 Ltr / Sqm conforming to IS 3384 and laying APP polymer modified membrane 3mm thick 3.0 Kg/Sqm in weight with non-woven polyster reinforcement with plain finish, each strip shall overlap the preceding one by at least 10 cm at the longitudinal edges and 15 cm at the ends. All over laps shall be firmly bonded with bitumen primer and levelled by heating the overlaps with butane torch as per manufacture instructions complete all as specified and directed.

Note:- (a) Rate quoted deemed to be inclusive of cleaning of surface to be treated properly to receve the primer.

(b) Contractor shall submit necessary guarantee certificate from the manufacturer for the material,ensuring its efficacy for 10 years from the date of completion of work.

(c) APP membrane treatment shall be done firstly at corners and junction of parapet wall 30cm on verticle position and 30cm on horizontal position shall be done with proper attention and work carried out by authorised applicator only.Main portion of roof treatment shall be commenced only on completion of corners/edges/junctions.

(d) APP membrane shall be taken upto outside of the parapet wall to an extent of 150mm minimum.

(e) Ensure while laying the treatment no bulging on surface/voids shall be found and proper care/attention be given for the treatment.

(f) If any work executed at site without any authorised applicator, the same shall be rejected and no payment shall be consider.

(g) Contractor shall produce the certificate from the manufacturer for the authorised applicator before commencement of work.

M&L for cleaning top surface of cement concrete lime terracing or tiles by Wire brushing and flashings and junction of parapets, etc., and surface painting, with two coat of Aluminium paint incl preparation of surface complete all as specified and directed.

M&L for providing 10mm thick screed bed in CM 1:4 mixed with Water proofing compound as per manufacturer's instructions / 3% by weight of cement complete all as specified and directed. Note: Water proofing compound shall be measured and paid separately under respective item of BOQ.

Supply only intergral water proofing compound complete all as specified and directed.

M&L for removing the tank over roof and re-fixing in the same position (or lowering if required) including cleaning complete all as specified and directed. Note:- Rate quoted shall deemed to be inclusive of making good the existing disturbed surfaces.

Taking up or down 20mm bore GI water tubing including all fitting complete all as specified and directed.

S&F 20 mm bore GI water tubing (ISI Marked) medium grade in any length including all fittings fixed to wall or in floor complete all as specified and directed.

Taking down 20mm bore GI tube and connection including cleaning and re-fixing in same including provision of all new fittings complete all as specified and directed.

Taking down 25mm bore GI tube and connection including cleaning and re-fixing in same including provision of all new fittings complete all as specified and directed.

Dismantling of CI/PVC pipe of size upto and including 100 mm dia complete all as specified and directed.

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

S&F 110 mm dia PVC (SWR) bends any length any type complete all as specified and directed.

Dismantling of plain or corrugated steel shetting, any gauge,thickness, including nainital or similar pattern roof covering complete all as specified and 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, fixed with self tapping screws as specified etc 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, fixed with self tapping screws as specified etc complete all as specified and directed.

Dismantling boarding any description fixed in any position with screws complete all as specified and directed.

M&L for Gl frame work for seamless ceiling comprising of Gl perimeter channnel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to centre/intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with Gl cleat and steel expansion fasteners with and including ceiling section (not exc 1.2 m length) of 0.55 mm thickness having kurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre. Including Hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long complete all as specified and directed.

S&F 12mm thick Gypsum board of size 600mm x 600mm as in ceiling fixed on GI frame work complete all as specified and directed.

Demolition of brick or stone masonary built in cement mortar incl all quoins, archs, pillars,etc complete all as specified and directed.

M&L for Brick work with old size sub class B bricks, straight or curved on plan exc 6m mean radius built in CM 1:6 complete all as specified and directed.

M&L for 10mm thick plaster in CM 1:6 on brick masonary finished even & smooth with out using extra cement complete all as specified and directed.

Preaparation of newly plastered wall surfaces and applying three coats of white wash complete all as specified and directed

M&L for complete removal of existing treatment on plastered or unplastered surface of walls, chajjas etc any by scrapping down completely,rubbing down washing with water and treating the surface from all loose dirt chalk grease fungi alkali flakes,tree roots etc burshing if any etc filling up all cracks and defects with CM 1:3 to the entire satisfaction of Enginner-in-charge, newly plastered surfaces and applying two coats of damp proof paint make: Asian smartcare white damp proof of require shed over a primer as per manufacturers instructions completely and satisfaction of Engg-in-charge, including cleaning window glasses, joinery, electric fittings,wiring etc of drops and splashes an dcleaning premise clean and tidy complete up to 4th floor complete all as specified and directed.

Repair to top surface of chajjas by removing all loose/unsound plaster, dirt,dust and debries,complete, and applying plaster of thickness 12 mm to 20 mm thick in CM 1:4 on the top surface of chajjas, maintaing existing slop towards outer edge,finished even and smmoth, including curing,scaffolding,neccesary surface preperation ,complete all as specified and directed.

M&L for providing and placing in position Micro-concrete as per relevent ASTM/BS/IS having Compressive strength of 45 mpa at 2 days of make Pidilite/Sika/Fosroc or equivalent in RCC members like roof projection,chajjas,beams,column etc which shall be pre packed single component,choride free,non shrink,free flow, self compacting and mixed as per manufactures specifications, including required leak proof shuttering, presoaking of substrate, manual application or pumping, manpower and tools & tackels the satisfaction of EIC complete up to 4 th floor height complete all as specified and directed.

Supply and fixing Heat Resistant Terrace Tiles (300mm x 300mm x 20 mm) with SRI (solar refractive index) > 78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and sloped surface of terrace, laid on 20 mm thick cement sand mortar in the ratio of 1:4 (1 cement : 4 coarse sand) and grouting the joints with mix of white cement & marble powder in ratio of 1:1, including rubbing and polishing of the surface upto 3 cuts complete, including providing skirting upto 150 mm height along the parapet walls in the same manner complete all as specified and directed.

Note for all items :- If any item gets repeated in this schedule, the lowest rate quoted for those same items by the L-1 bidder shall be considered for payment and decision of Accepting Officer i.e. GE(AF) Baroda in this regard shall be final and binding.

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