REPAIR, MAINTENANCE OF MANGALORE PATTERN ROOF TILES, FALSE CEILING, PURLINS, RAFTERS AT ZONE A AND B AREA UNDER GE (ARMY) TRIVANDRUM

Amount

Dismantling single layer Mangalore pattern or similar tiles in roofing including ridge tiles complete all as specified and directed. Notes: All works under this BOQ will be executed for buildings of height up to four storeys. Contractor shall make all necessary proper scaffolding arrangements and safety measures for labours at site.

M&L for roof tiles, Mangalore pattren, interlocking at side joints, laid dry complete all as specified and directed.

All as per Sl No. 2 here-in-before, but except tiles complete all as specified and directed.

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

All as per Sl No. 4 here-in-before, but except tiles complete all as specified and directed.

Demolition of cement concrete (unreinforced) in roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work complete all as specified and directed.

M&L for providing, cement concrete type B-0, 1:2:4 using 12.5 mm graded stone aggregate in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and directed.

Dismantling wooden fillets for roof tiles battens, rails, posts, rafters, purlins etc. under 40 sq.cm in section (unframed work) complete all as specified and directed.

M&L for second class hardwood plain fillets (sectional area exceeding 13 sq.cm and not exceeding 25 sq.cm), square, rectangular or triangular in section, clean sawn, secured with nails or brads complete all as specified and directed.

All as per Sl No. 9 here-in-before, but except fillets complete all as specified and directed.

Dismantling timber scantlings 40 sq. cm and over in section, unframed work, in any position complete all as specified and directed.

M&L for second class hardwood in scantlings, clean sawn complete all as specified and directed.

All as per Sl No. 12 here-in-before, but except scantlings complete all as specified and directed.

Dismantling of wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/ blankets, any thickness, including cover fillets complete all as specified and directed.

M&L for 4 mm thickness non-asbestos fibre cement building boards (decorative type) fixed or laid/ inserted to timber/ GI/ Aluminium framework with screws complete all as specified and directed.

S&F Anodised aluminium snap grid frame work for false ceiling size of grid 605 x 605 mm complete all as specified and directed.

S&F hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling 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.

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

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

S&F Pre-painted galvalume aluminium zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self-tapping screws/ J-hooks complete all as specified and directed.

Demolition of brick work/ PCC block/ stone wall masonry built in cement mortar and removing the debris/ rubbish to a distance not exceeding 100 mtr complete all as specified and directed.

M&L for pre-cast cement concrete block masonry type C1, 1:3:6 using 20mm graded stone aggregate with solid blocks exceeding 10 cm in width and setting in CM 1:4 complete all as specified and directed.

M&L for roughening surfaces of old concrete floor by picking old damaged tar felt/ water proof membrane any type, sweeping clean and washing down with water to remove dust, etc and brushing neat cement slurry with 3 kg of cement per sq metre complete all as specified and directed.

M&L for 25 mm thick, PCC 1:2:4, Type B-0, using 12.5mm graded stone aggregate over RCC roof as levelling course complete all as specified and directed.

M&L for rendering 10 mm thick cement plaster on fair faces of brick work/ concrete surfaces in cement mortar 1:3, mixed with water proofing compound @ 3% by the weight of cement, finished even and smooth without using extra cement complete all as specified and directed. Note: Water proofing compound shall be measured and paid separately.

M&L for APP modified water proofing membrane thickness not less than 4mm and weighing not less than 4.50 Kg/ Sqm reinforced with non-woven polyester, matt black finished (weight not less than 150 gms / sqm), laying by torch application including minimum 100mm overlap over compatible primer @ 0.40Litre/sqm and finishing with solar reflective Bituminous aluminium paint 100 gms /sqm complete all as per manufacturer's instructions and specified & directed.

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. complete all as specified and directed.

M&L for rendering in two layers 10mm thick with cement mortar (1:6) and 5 mm thick with cement mortar (1:4), finishing coat mixed with water proofing compound @ 3% by the weight of cement on fair faces of brick work in external surfaces of wall complete all as specified and directed. Note: Water proofing compound shall be measured and paid separately.

M&L for rendering 5 mm thick cement plaster on fair faces of brick work/concrete surfaces (in ceiling/ facia) in cement mortar 1:3, finished even and smooth without using extra cement complete all as specified and directed.

M&L for rendering 10 mm thick cement plaster on fair faces of brick work/concrete surfaces in cement mortar 1:6, finished even and smooth without using extra cement complete all as specified and directed.

Supply only integral water proofing compound.

M&L for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed.

M&L for preparation of newly plastered wall surfaces and applying 2mm thick wall care putty and applying two coats of distemper oil emulsion over a coat of primer complete all as specified and directed.

M&L for preparation of newly plastered ceiling surfaces and applying two coats of distemper oil emulsion over a coat of primer complete all as specified and as directed.

S&F 110mm bore PVC (SWR) pipes single socketed, including bend/ joint etc. all fittings, in any length with rubber ring joints laid in trenches or in floors or fixed to walls including taking down old damaged cast iron pipes/ PVC pipes (including all fittings), burning out joints etc to facilitate dismantling old serviceable fittings/ pipes laid in trenches, floors or fixed to walls, including necessary earth work, demolition of PCC/ brick work and making good to match with existing surfaces, including necessary scaffolding complete all as specified and directed.

All as per Sl No. 35 here-in-before, but 160mm bore pipe complete all as specified and directed.

Cutting/ cleaning small trees, saplings, shrubs and under growth complete roots from brick walls, chajjas etc including taking out complete roots from inside walls/ chajjas and making good surfaces in cement concrete 1:2:4 type B1 or in cement mortar (1:4) to match the existing surfaces complete all as specified and directed.

Disconnecting existing water tanks of capacity 500 litres, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position after cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc. complete all as specified and directed.

M/s G.Ramachandran

M/S Vadakkeparambil Electro-Mechanic Service

AKASH CONSTRUCTIONS

SHILPA ENGINEERS AND CONTRACTORS