Public Works Department Tender

Dismantling doors, windows and clearestory windows (steel or wood) shutters including chowkhats architrave holdfast etc. complete and staking within 50 mt. Lead

a) Of area 3 sq.m. and below

Dismantling cement asbestos celotex or other ceiling or partition hard broad wall including stacking of serviceable materials and disposal of unserviceable materials within 50 mts. lead.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) (Square Hollow Section (SHS) IS4923 /Rectangular Hollow Section (RHS) IS4923/ Circular Hollow Section (CHS) IS1161 closed Structural Steel of (SAIL, TATA. VIZAG, JSW ,APOLLO Steel Ltd.) make (Min Yeild Stress 310 Mpa)) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Providing & Fixing in position Double Skin roof with Zincalume/ Galvalume colour coated & bare profile sheet with subtle square fluting factory cut at all heights for roof, side & Gable cladding complete in all respect. TOP SHEET-The end rib shall be designed for anti-capillary action. The feed material should be manufactured out of nominal 0.45 mm Base Metal Thickness (BMT), Hi-strength steel with min. 550 MPa yield strength, metallic hot dip coated with Aluminium-Zinc alloy (55% Aluminium, 43.5% Zinc &1.5% Si) as per AS 1397 - Zincalume AZ150 (Min. 150 gms/sq.mt total on both sides) with quality paint coat as per AS/NZS 2728 type 3-4. The paint shall have a total coating thickness of nominal 35 μm, comprising of nominal 20 μm exterior SMP coat on top surface and nominal 5 μm reverse backer coat on back surface over nominal 5 μm primer coat on both surfaces of approved colour shade. Total Coated Thickness (TCT) should be 0.50mm. Total Painted Thickness (TPT) should be in addition to 0.50mm. The steel sheet shall be fastened with nominal 40 μm zinc coated or nominal 25 μm zinc-tin alloy coated, Hex head, self-drilling screw as per AS 3566-2002 Class 3 fasteners of approved make with EPDM washer as per the requirement considering the profile shape and design load. The fastener size shall be calculated as per the design or manufacturers recommendations.

The profile sheet, fastener size etc. shall be approved by the Engineer. The sheeting should be with minimum 200mm lap & waterproof with Silicon sealant non-hardening neutral cure type shall be applied at all end laps, complete as directed Z-Sub Girt - roll formed section 50x50x50x1.50 TCT, 120GSM Galvanised, High Strength (345 MPa), approximate Wt. 1.85 kg/r.m. fixed with self tapping screws Glass Wool Insulation with FSK facing 50mm with 24 kg/m3 density in between 2 sheets. LINER SHEET-bare galvalume/zincalume roofing sheet of same profile as top sheet. The feed material is of manufactured out of nominal 0.45 mm Base Metal Thickness (BMT) (0.47 mm TCT), Hi-strength steel with min. 550 MPa yield strength, metallic hot dip coated with Aluminium-Zinc alloy (55% Aluminium, 45% Zinc) as per AS 1397 - Zincalume AZ150 (Min. 150 gms/sq.mt total on both sides), passivated & resin coated. The feed material should have coil manufacturer’s product details marked at regular interval for confirming genuinity of the material. complete as per the directions of the engineer. The steel manufacturer's test certificate for the chemical & mechanical properties of steel must be submitted for approval prior to installation.

Providing and fixing colour coated galvulium roofing sheets of 0.5mm thickness including all the accessories (TATA make) but excluding the cost of purlins, rafters, trusses, flashings etc. complete as per the directions of the Engineer in charge.

Providing & fixing in position Galvalume/Zincalume flashings, cappings, ridges, gutters upto 600mm/610mm girth and min 3.00m in length (cold Rolled Steel 550 MPa yeild Stress ASTM A 446 Grade E) with hot-dip metallic coating of aluminium-zinc alloy(AZ 150 galvalume) (150 gms/sqm total of both sides with Al-Zn Composition= 55% & 43.5% resp. & 1.5% Si conforming to ASTM 792/ AS 1397) 0.45 mm base metal thickness and 0.50mm total coated thickness, factory cut at all heights for roof, side & gable cladding complete in all respects with AZ 150 GSM SMP color Coated (20mic exterior coat of Silicon Modified Polyester paint system over 5 mic primer and 5 mic polyester back coat over 5 mic primer) incl. fixing to purlins with no 12x14x55mm mechanically galvanised hex head self drilling screws of the best quality as per AS-3566 class 3-4 approved, which should be compatible to be used with sheets. with integral washers and EPDM seals etc. Silicon sealant non-hardening neutral cure type shall be applied at all end laps, complete as directed.

Providing and fixing rigid PVC S.W.R. (soil, waste & rain water drainage pipes of approved including lubricant etc. complete (single/double) socketed:

a) 110 mm dia

Providing and and laying vitrified floor tiles in different sizes of Johnson, Somany, Kajaria (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS:15622 of approved make in colours and shades as specified laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand) including grouting the joints with white cement and matching pigment etc., complete

c) 900x 900 mm Dark Shades

Providing woodwork in frames of doors, windows, clerestory windows trusses & other frames wrought framed and fixed in positon.

d) Second class matti wood

Providing and fixing 35 mm thick panelled glazed or panelled and glazed shutters for doors, windows and clerestory window including black enameled iron butt hinges with necessary screws:

a) Second class Indian teak wood

Providing flat iron hold fast 40 cm including fixing to frame with 10 mm dia bolts, nuts and wooden plugs and embeded in cement concrete block 30 x 10 x 15 cm 1:3:6 mix (1 cement: 3 coarse sand: 6 stone aggregate 20 mm nominal size.

a) 40 x 3 mm flat iron hold fast 40 cm long

Providing and fixing bright finished brass tower bolts (barrel type) with screws etc. complete

b) 200 x 10 mm

Providing and fixing bright finished brass handles with necessary screws etc complete

a) 125 mm

Providing and fixing bright finished brass door latch with necessary screws etc complete

a) 300x 16 x 5 mm

Providing and fixing 150 mm. bright finished brass floor door stopper with rubber cushion screws etc. to suit shutter thickness complete.

Providing and applying white cement based putty of average thickness 1.00mm of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Applying one coat of cement primer of approved brand and manufacture on wall surface.Wall painting (two or more coats) with plastic emulsion paint of approved brand and manufacture on new work to give an even shade.

Painting three or more coats with acryllic exterior paint of approved brand and manufacture (Such as Dulex/ Asian Paints/ Sherwin Willians) including applying one coat of cement primer and one coat of surface treatment etc. complete.

Applying priming coat with ready mixed primer of approved brand and manufacture on wood work complete.

Painting two or more coats (excluding priming coat) with superior quality ready mixed paint for wood work of approved brand & manufacture in all shades on new work to give an even shade.

Varnishing (two or more coats) with copal varnish of approved brand and manufacture on new work including an under coat Bees waxing on wood work with local made wax polish in proportion of 2:1 5:1 0.5 (2 wax: 1.5 linseed oil: 1) (b) With transparent wood filler.

Melamine polishing on wood work (one or more coat) (b) Matt

Applying priming coat with ready mixed primer of approved brand and manufacture on steel work.

Painting two or more coats (excluding priming coat) with superior quality ready mixed paint for steel work of approved brand & manufacture in all shades on new work to give an even shade.

PVC false ceiling grid type : Providing and fixing PVC False Ceiling consisting of 600mm x 600mm, 5mm(±0.25) thick Plain PVC sheet of 600 kg/Cbm Density Manufactured by an ISO-9000 certified Company, used as panel insert in a frame work made using anodized aluminum T- section of sizes 1” x1” (25x25mm, 19 gauge or 1mm thick) in square pattern of grid sizes of 2’x2’(600x600mm). The aluminum frame work is supported from the ceiling with the help of 'J' hook and G.I. wire / 6mm M.S. rods of required sizes to maintain proper level etc. The aluminum framework is supported on side wall with the use of aluminum L-section of size 1”x1” (25x25mm) angles etc. Complete as per direction of Engineer-In-charge, manufacturer’s specification & drawing.

Providing and fixing anodized aluminium shutters in accordance with the specification annexed with Goa schedule of Rates (2004) Vol & II including all taxes, transportation, scaffolding and handling etc. complete as per direction of the Engineer-in-charge: Fixed partitions+Extra for powder coating with pure polyester powder of shade of required colour on the aluminium section

(a) Acrylic sheet

(b) Plain plate glass

Salvage value of the dismantled galvalium sheet roofing of proposed site etc. Complete (Deduct salvage value)