Repair and Maintenance of 04 Nos. Huts at Chidambaram Park at W.No. 07 under Gram Panchayat Hut Bay, Little Andaman. (4th Call)

Amount

Providing and Fixing GI (square or rectangular hollow tube etc.) trusses etc, including cutting, hosting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washer etc. complete as per direction of Engineer-in-charge.

GI Pipes

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

GI Sections

Providing and Fixing 3 layer UPVC roofing sheet of approved colour and shade of brand roof touch sheet or equivalent (size , shape & pitch of corrugation as approved by EIC) 2 mm thick (+0.05%) total thickness with as per code RS 3LO1: sheet should have protective guard film of 25 microns to avoid scratches during transportation and should be supplied in single length up to 06 mtr or as directed by EIC. the sheet shall be fixed using self drilling/ self trapping screw of size (5.5 x 55 mm) with mounted fixer cap set of size (8 set of nail to tbe used per sqm area) complete up any pitches in horizontal/ verticle curved surface excluding the cos of purlins, rafters and truss/ e/c cutting of size and shape where ever required.

surface area of cone= 3.14 x radius x slant height

Providing and Fixing 3 layer UPVC roofing sheet of approved colour and shade of brand roof touch sheet or equivalent (size , shape & pitch of corrugation as approved by EIC) 2 mm thick (+0.05%) total thickness with as per code RS 3LO1: sheet should have protective guard film of 25 microns to avoid scratches during transportation and should be supplied in single length up to 06 mtr or as directed by EIC. the sheet shall be fixed using self drilling/ self trapping screw of size (5.5 x 55 mm) with mounted fixer cap set of size (8 set of nail to tbe used per sqm area) complete up any pitches in horizontal/ verticle curved surface excluding the cos of purlins, rafters and truss/ e/c cutting of size and shape where ever required.

Ridges plain (500-600 mm)

Providing and fixing in position eaves or facia board with 12 mm thick non asbestos plain sheet of HILUX Board and 30 cm wide including nailing etc. complete as per the direction of Engineer-in-charge.

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.

With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre

Finishing walls with Acrylic Smooth exterior paint of required shade :

Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Providing and fixing up to floor five level precast cement concrete hollow block, including hoisting and setting in position with cement mortar 1:3 (1 cement : 3 coarse sand), cost of required centering, shuttering complete.

1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

12 mm cement plaster:

1:4 (1 cement : 4 fine sand)

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.