REPAIR REPLACEMENT CLEANING OF SADARAHALLI STONE USING BOOM LIFT UNDER AGE BR II MAINT AT INA EZHIMALA

Amount

Notes:- (i) The entire scope of work is to be carried out from ground level to nearly upto 40 metres of height. (ii) The work is to be carried out on vertical surfaces, flat RCC roof, sloped mangalore roof and sloped galvalume sheet. (iii) Quoted rates are deemed to be inclusive for boom lift/crane as required. Contractors should arrange boomlift/crane and take all safety precautions for workers including accidental coverage insurance for workmen employed at the time of carrying out works as described in Sch 'A'/ BOQ. (iv) Contractor should visit the site before quoting the tender to assess the resources required to execute the work as the site include prestigeous buildings of INA. (v) Cost of all factors are deemed to be included in the rate quoted in BOQ. No extra claim will be entertained. (vi) The area where boomlift are not approachable near the building due to the terrain/design criteria, scaffolding may be set up to carry out the work.

Dismantling of existing sadarahalli stone including nuts and bolts of any thickness on vertical cladding at any height (nearly 50 Metres) by BOOM LIFT/ CRANE complete all as specified and as directed by Engr-in-Charge.

S&F 20 to 25 mm flame finished sadarahalli machine cut stone as in cladding laid dry fixed with stainless steel clamp and anchor fasteners and headless bolts on vertical surface of wall and column etc at any height (nearly 40 Metres) by BOOM LIFT or CRANE all as specified and as directed by Engr-in-Charge on the following method. a) Make suitable depression (approx. 5mm width and 25 mm depth on vertical face of stone to fix the clamp) b) Make suitable drill hole to the surface of stone and wall/column to fix anchor fasteners. c) Make good the surface of drilled portion (where headless bolts are inserted) using universal surface filler (supertak or equivalent) Note:- Supply only Hilti make anchor fasteners, clamps and headless bolts shall be measured and paid separately.

All as per item No.03 above but except sadarahalli stone complete all as specified and as directed. Note:- Sadarahalli stone obtained from dismantling vide srl item no.02 for reuse shall be used.

Supply only Hilti make stainless steel anchor fastner- 10 x 80mm, stainless steel clamp 5 x 50 mm and headless bolt 10x150 mm for fixing of sadarahalli stone cladding complete all as specified and as directed.

Material and labour for sealing all the joints in sadarahalli stone with PU sealent of Make : Forsroc, McCoy Soudal or equivalent including cleaning of existing surfaces at any height (nearly 40 Metres) by BOOM LIFT or CRANE all as specified and as directed by Engr-in-Charge.

Cleaning of existing sadarahalli stone surfaces using mechanical means like jet washing, grinding etc all as specified and as directed by Engr-in-Charge.

Material and labour for sealing of screw holes in roofing sheets with PU sealent of Make : Forsroc, McCoy Soudal or equivalent including cleaning of existing surfaces complete all as specified and as directed.

Material and labour laying and pasting of biutminous strip of width 10cm of make: 3M, BASF, Dr. Fixit, Fosroc or equivalent on joints of galvalume sheet & RCC surfaces including cleaning of existing surfaces all as specified and as directed.

Dismantling plain or corrugated steel sheeting / galvalume sheets, any gauge, thickness as in roof covering complete all as specified and as directed.

Supply and fix 0.50mm thick pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of approved colour having tensile strength of 550 Mpa as in roof covering / cladding to wall, fixed with self tapping screws as specified completed all as specified and as directed.

Supply and fix 0.50mm thick pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm thick of approved colour having tensile strength of 550 Mpa as in roof covering / cladding to wall, ridge etc. fixed with self tapping screws, rivetting with existing roof sheets/valley gutters, bolting on to parapet wall etc complete all as specified and as directed.

Dismantling single layer of mangalore pattern tiles in roofing complete all as specified and as directed.

Material and labour for roof tiles Mangalore pattern interlocking at side joints, laid dry complete all as specified and as directed.

All as per item Srl No.14 here in before but except tiles complete all as specified and as directed.

Material and labour for ridge or hip tiles to suit Mangalore pattern or roofing tiles bedded and jointed in cement mortar 1:6 complete all as specified and as directed.

Material and labour for preparation of new MP roof tile surfaces by cleaning the tiles and applying two coats of antifungal paint using UNIGLOSS deluxe multi surface paint over a coat of primer complete all as specified and as directed.

Material and labour for preparation of old MP roof tile surfaces by cleaning the tiles and applying one coats of antifungal paint using UNIGLOSS deluxe multi surface paint complete all as specified and as directed.

Material and labour for application of two coats of tankmastic bituminous anti-corrosive mulit purpose coating Make - STP Ltd or equivalent on corrosive portion of MS sheet valley gutter as per manufacturer instruction complete all as specified and as directed. Application methodology (a) Surface preparation - The surface shall be cleaned thoroughly of all contaminants like dust, traces of curing compound, oil and grease. All surface imperfections and protrusions shall be removed and repaired. (b) Material preparation - Stir tankmastic thoroughly before use to make it homogeneous. After stirring, wait for the product to settle in order to let entrapped air escape. (c) Application of material - Apply Tankmastic as supplied on the prepared surface by brush / roller / spray as per manufactures instructions min spreading rate of 9 sqm per ltr (depends on surface condition). Repeated coats can be given only after the earlier coat dries completely minimum 12 to 16 hrs after 1st coat.

Cleaning and removal of blockages from rain water drain CI pipes of size 150mm dia concealed in column of building height not less than 30m al as specified and directed. Note: Rates are included for scaffolding required. Contractors should arrange necessary scaffolding and take all safety precautions for workers at the time of carrying out works as directed.

Taking down existing water proofing treatment of any description over concrete padding of any thickness etc from roof incl finishes or junciton or parapet and cleaning the surface (by mechanical means like grinder etc) and removal rubbish off the premises complete as speciffed and as directed.

Demoltion of cement concrete (un-reinforced) as in ground floors and paving n exc 15cm thickness (below or above ground level) any position complete all as specified and as directed.

Material and labour for cement concrete 1:2:4 type B1 (12.5 mm graded stone aggregate) as in filling and mass concrete, roof slab padding preparatory to roof treatment complete all as specified and as directed.

Material and labour for water proofing to roof surface with APP polymeric based water proofing membrane 3mm thick & weighing not less than 3.5 Kg/Sqm of approved make black finish consisting of a central core of high molecular high density polyethylene film (HMHDPF) & reinforced with non woven polyster matt of min 150 gm/sqm with a thermo fusible finish laid over a coat of hot blown bitumen of 85/25 grade confirming to IS 702 @ 1.2 Kg/Sqm over a coat of an bitumen primer conforming to IS-3384 @ 0.4 Ltr/Sqm over prepared roof surfaces, forcing overlap with a propane or butane gas torch with a overlap of 75mm at sides & 100mm at ends & sealing incl applying a coat of cold emulsion bituminous primer and including 10mm thick rendering in CM 1:3 on roof with water proofing compound surfaces finished even and smooth without uisng extra cement complete as per manufacturers instructions complete all as specified and as directed. Note: - 1. Water proofing treatment shall be got carried out by the manufacturer or their authorised applicator only. 2. Bitumen primer, bitumen and membrane shall of same make / manufacturer. 3. The APP membrane to be inserted in the parapet wall / wall by cutting chases of alteast 65mm x 50mm size & making good in CM 1:3.

Dismantling wall and ceiling boards (fiber, pulp, insulation, metal etc) or insulation boards / slabs / any thickness including cover fillets.

M/S V ASSOCIATES (BID ID -3414328)

Gates Infra Construction Co (BID ID -3404793)

Palace constructions (BID ID -3410694)