ADDITION AND ALTERATION TO ROOF TREATMENT OF CERTAIN MARRIED ACCOMODATON BUILDINGS AT INS HAMLA UNDER GE (NW) BHANDUP

Taking down cement mortar or lime plaster of any description from stone or brick wall etc including raking out joints, hacking for key scrubbing down with water and disposing off the rubbish materials out side MD and including necessary scaffoldings complete all as specified and directed

Rendering 15mm thick in (1:6) CM on fair faces of brick work or concrete surfaces of walls and finishing even and smooth without using extra cement complete all as specified and directed.

M&L 5 mm thick ready mix plaster over concrete surfaces of ceiling and provn of 3mm thick wall care putty on plastered ceiling surfaces; surfaces finished even and smooth including necessary scaffolding complete all as specified and directed.

M&L for preparation of new plastered surfaces of walls and applying two coats of distemper oil emulsion over a coat of alkali resistant primer using roller etc complete all as specified and directed.

M&L for preparation of old plastered surfaces of walls and applying two coats of distemper oil emulsion over a coat of alkali resistant primer using roller etc complete all as specified and directed.

M&L for preparation of new plastered surfaces on ceiling and applying two coats of oil bound distempe complete all as specified and directed.

M&L for preparation of old plastered surfaces on ceiling and applying two coats of oil bound distempe complete all as specified and directed.

Rendering 15 mm thick in (1:4) cm (in two coats (10+5mm) with both coats mixed with liquid water proofing compound, surface finished even and fair without using extra cement complete all as specified and directed. Note : WPC will be measured separately.

M&L for for preparation of new plastered surfaces of walls, chajjas, slab projections and applying two coats of 100% Anti fungal acrylic emulsion paint in approved shade over a coat of primer and including necessary scaffolding complete all as specified and as directed.

M&L for preparation of old plastered surfaces of walls, chajjas, slab projections and applying one coats of 100% Anti fungal acrylic emulsion paint in approved shade over a coat of primer and including necessary scaffolding complete all as specified and as directed.

M&L for Removal of plant growth by injection with chemical glyphospate solution ( 4 % conceneration ) @ 20ml or till refuse by cutting or injection in stem of plants or roots at 30mm. The area shall then be sprayed with solution 25ml glyphosphate ( 4% concent) dulited with 1 ltr of water. All roots / plants shall be removed completely and making good the distrubed surface and painted with cement base or acrylic paint all as directed by EIC.

Demolition of brick work built in CM incl. taking out roots vegetation if any at any position and removal to out side MD land

M&L for brick work with sub class 'B' bricks straight or curved on plan exc. 6m mean radius built in CM(1:6) for MH complete all as specified and directed.

Dismantling/ Demolition of existing roof terracing of cement/brick concrete(un-reinforced) and existing water proofing treatment of any thickness in any position on top of roof of building, cleaning surface of roof with brush/mechanical brush and with water throughly to romove all dust/dirt and loose particles to expose bare concrete roof slab and romoval of rubbish/demolished material out side MD land complete all as specified Note : Demolition should be done by chiselling.

M&L brushing neat cement slurry @ 3 Kgs of cement per Sqm

M&L for rendering 15 mm thick in CM 1:3 on fair faces of brick work or concrete surfaces on roof finished even and smooth using liquid water proofing compound as per manufacturers instructions Complete all as specified and directed. Note:- Supply only liquid water proofing compound shall be measured & paid separately.

M&L for PCC 1 : 2 :4 type B0 (using 12.5mm graded stone aggregate) as in levelling padding course over RCC roof surface including rounded or chamferred on edges etc mixed with approved water proofing compound all as per manufacturer'ss instructions on the roof surface to achieve requisite slope all as specified and directed. Note : Supply only water proiofing compound shall be measured & paid separately.

Supply only polymer based liquid water proofing compound complete all as specified and directed.

M&L for providing 4 mm thick APP modified memberane over (Accessible) RCC roof with the following specifications :- (a) Cleaning existing surface properly. (b) Apply oil bound bitumen primer @ 0.40 lit/Sqm manufactured by the same agency as that of APP with a density of 0.87 -0.89 Kg/Lit at 25 Degree Centigrade on the prepared dry roof surface. (c) Providing and Laying APP modified water proofing membrane reinforced with non wooven polyster matt with physical propertities as under :- (i) Membrane weight >3.6 Kg/Sqm (ii) Net wooven polyster weight >160 gm/Sqm (iii) Softening point of membrane > 150°C (iv) Joint Tensile strength Longitudiual > 650 Sq Cm at 230o C & Transverse > 450/ Sq cm (v) Tear strength - Longitudual > 300 N & Transverse > 250 N Direction (vi) Elongation > 30 % (vi) Elongation > 30 % (vii) Impermeability under water pressure > 3 Kg/Sq cm Note :- APP membrane shall be laid using butane torch by Torch application with minimum 10 cm side overlap and 15 cm end lap. The laying of membrane shall be got done through authorised applicator of manufacturer of membrane. (d) Over the membrance provide 20-25 mm thick machine pressed cement concrete tiles 300mm x300mm over & incl cement screed bed 15mm thick in CM 1:4 set and jointed, pointed in neat cement slurry with grey cement complete all as specified and directed.

M&L for providing 4 mm thick APP modified memberane in repairs including removing old treatment over (Inaccessible) RCC roof with the following specifiations :- (a) Cleaning existing surface properly. (b) Apply oil bound bitumen primer @ 0.40 lit/Sqm manufactured by the same agency as that of APP with a density of 0.87 - 0.89 Kg/Lit at 25 Degree Centigrade on the prepared dry roof surface. (c) Providing and Laying APP modified water proofing membrane reinforced with non wooven polyster matt with physical propertities as under :- (i) Membrane weight >3.6 Kg/Sqm . (ii) Net wooven polyster weight >160 gm/Sqm (iii) Softening point of membrane > 150°C (iv) Joint Tensile strength Longitudiual > 650 Sq Cm at 230°C & Transverse > 450/ Sq cm (v) Tear strength - Longitudual > 300 N & Transverse > 250 N Direction (vi) Elongation > 30 % (vii) Impermeability under water pressure > 3 Kg/Sq cm Note:- APP membrane shall be laid using butane torch by Torch application with minimum 10 cm side overlap and 15 cm end lap. The laying of membrane shall be got done through authorised applicator of manufacturer of membrane. (d) Over the membrance provide a finishing with solar reflective bituminous aluminium paint @ 0.1 Kg/Sqm as prescribed by manufacture of membrane

Removing loose concrete carefully by low impact hammer bracker or manually by chisel and hammer machanisuem including necessary scaffolding and removal of debris out of MD land Complete all as specified and directed. REHABILITATION WORK ITEMS 21 TO 27 Note : 1. Rehabilitation works is to be carried out by the authorised rep / applicator of the manufacturer and will render certificate at the stages to the effect that work / methodology has been executed / adoped as per the prescribed norms. 2. The rate for rehabilitation works includes necessary scaffolding, form work, steel props, and safety works like barricade, safety net, dust net etc as per site requirement.

M&L for applying rust remover on existing reinforcement and before application of protective coating the surface should be wire brush and throughly cleaned for dust complete all as specified and directed. Note: Mode of measurement shall be for the superficial area of concrete scaled only. Make : Foevert of Krishna Conchem or equivalent.

M&L for applying of anti Corrosive primer for exposive steel reinforcement complete all as specified and directed. Make : IP Net RB of Krishna Conchem or equivalent.

M&L for providing and applying structural grade EPIBOND-21-LP prior to application of any type of mortar plaster or micro concreting conforming ASTM-C-882-91 (Arizona Slant Shear Test) to ensure bonding between old concrete and new concrete

M&L for building up the profile of structural members using polymer modified mortar upto 20mm thickness including levelling, profiling etc complete all as specified and directed. Make : Molith PMM of Krishna conchem or equivalent. Note :- Mode of measurement : Superficial area of concrete will be measured.

M&L for building up the profile of structural members using polymer modified mortar upto 40mm thickness including levelling, profiling etc complete all as specified and directed. Make : Molith PMM of Krishna conchem or equivalent. Note :- Mode of measurement : Superficial area of concrete will be measured.

M&L for casting & repairing of excessively damaged distressed RCC members (exceeding 40mm in thikness) with prebatched, prepacked, single component ready to use microconcrete from M/s. Krishna Conchem (Molith MC) or equivalent of Dr. Fixit as approved by GE at any level and at any lead or lift as directed including prefabricated water tight formwork, centering, scaffolding, also including mixing , laying, levelling, finishing, curing etc as per manufacturer's specifications complete all as specified and directed. Note : Reinforcement only shall be measured and paid separately.

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).

S&F 160mm bore PVC (SWR) pipe single socketed(ISI Marked) any length with rubber ring joints , complete fittings etc fixed to walls etc complete all as specifed and directed.

S&F 110mm bore PVC (SWR) pipe single socketed(ISI Marked) any length with rubber ring joints , complete fittings etc fixed to walls etc complete all as specifed and directed.

S&F 75mm bore PVC soil waste pipe pipe single socketed(ISI Marked) any length with rubber ring joints , complete fittings etc fixed to wall fixed with MS clamps 8mm dia with two nuts wall nails etc including taking down of any type complete all as specifed and directed.

S&F 160mm dia PVC bend any radius with or with out access doors etc, completed as specified and directed.

S&F 110mm dia PVC bend any radius with or with out access doors etc, completed as specified and directed.

S & F 110 mm bore PVC (SWR) Branch piece, single (single Y) equal or unequal of any radius with access door.

S & F 75 mm bore PVC (SWR) Branch piece, single (single Y) equal or unequal of any radius with access door.

S & F 110 mm bore PVC (SWR) Vent Cowl

Bands, straps, supports, hold fasts or stays for wooden post, two or three way and securing complete conforming to Fe-290 Gde E-165 complete all as specified and directed.

Demolition of Reincorced concrete in chajjas and similar suspended, slab facia drop etc work complete all as specified and directed.

M&L RCC 1 : 2 : 4 type B1 Nominal mix (using 20mm graded stone aggregate) in chajjas complete all as specified and directed.

M&L RCC 1 : 2 : 4 type B1 Nominal mix (using 20mm graded stone aggregate) in fascias, louvres, parapets and the like complete all as specified and directed.

S&F TMT bars 10mm dia & 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 0.9mm dia or securing with clips complete all as specified and directed.

M&L form work for soffit and sides of chajjas, troughs and similar items including edges rough finished surface of concrete flat complete all as specified and directed.

M&L form work to fins, louvers, fascia rough finished surface of concrete flat complete all as specified and directed.

Dismantling of plain or corrugated steel sheeting, any gauge, thickness, including similar pattern roof covering complete all as specified and directed.

Dismantling of wrought iron or mild steel work in any description and in any position

M&L rolled sections as in framing for cladding, glazing and the like fixed with angle cleats and connecting plates etc conforming to Fe 410-W (Gde-E-250) complete all as specified and directed

M&L roof trusses (framed) trussed, purlins, crange gantries, rails and fastenings and heavy bracket framing (beam, tee, angle, channel or flat sections) including distance pieces, cleats etc conforming to Fe 410-W (Gde-E-250) complete all as specified and directed.

M&L for Preparation of new steel surfaces of any description, over 10cm in width or grith, not otherwise described applying two coats of synthetic enamel paint over a coat of red oxide primer zinc chrome.

S&F Pre-painted galvalume aluminium zinc (150micron) coating GI based corrugated 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.

S&F Pre-painted galvalume aluminium zinc(150 micron) coating GI based Plain 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.

Deduct Credit for Demolished/ Dismantled material Rs. (-) 39,475.00 (Minus) as listed in Schedule of Credit. Note 1:- Tenderers will not quote against this item being a tentative amount to be considered to arrive at the 'Contract Sum'. Note 2:- The tenderer must keep in mind when quoting rates against items out in multiple storey bldgs having height 4 mts and above. Necessary scaffolding and saftey measures required during execution of work are including in this items.

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