Provision of Fire Fighting System SH Construction of Underground Tank of 100000 litre at C A Bhavnagar

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50m and lift up to 1.5m,disposed earth to be levelled and neatly dressed. (a) All kinds of soil

Close timbering over areas including strutting, shoring and packing cavities (wherever required) etc. complete. (Measurements to be taken of the face area timbered) : a) Depth exceeding 1.5 m but not exceeding 3 m.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : (a) 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer’s specifications

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) 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.

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

Reinforced cement concrete work in arches, archribs, domes, vaults,shells, folded plate and roofs having slope more than 15° up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) :3 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for : a) Foundations, footings, bases of columns, etc. for mass concrete.

Centering and shuttering including strutting, propping etc. and removal of form for : b) Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Centering and shuttering including strutting, propping etc. and removal of form for : c) Suspended floors, roofs, landings, balconies and access platform.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete up to plinth level. a) Thermo-Mechanically Treated bars.

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : (a) Cement mortar 1:6 (1 cement : 6 coarse sand)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. (a) In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry, but excluding the cost of nosing of steps etc. complete. a) 40mm thick with 20mm nominal size stone aggregate.

6 mm cement plaster of mix : 1:3 (1 cement : 3 fine sand)

Finishing walls with Acrylic Smooth exterior paint of required shade : (a) New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : (a) Two or more coats on new work

Supplying and stacking of hard stone (for stone pitching) 22.5 cm thick at site.

Dry stone pitching 22.5cm thick laid in courses and required profile with hammer dressed stones having no side less than 15cm, with minimum depth of 20cm including preparing the bedding surface etc. all complete.(Payment for Stone to be made separately)

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work a) 80 mm dia nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete : a) 50 to 80 mm nominal bore

Providing and fixing enclosed type water meter (bulk type) conforming to IS : 2373 and tested by Municipal Board complete with bolts, nuts, rubber insertions etc. (The tail pieces if required will be paid separately) : a) 80 mm dia nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : a) 80 mm nominal bore

Constructing masonry Chamber 120x120x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with chained lid and RCC top slab 1:2:4 mix (1 cement :2 coarse sand : 4 graded stone aggregate 20 mm nominal size) , i/c necessary excavation, foundation concrete1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement: 3 coarse sand) 12 mm thick finished with a floating coat of neat cement complete as per standard design : a) With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality : a) 80 mm diameter pipe

Providing and filling sand of grading zone V or coarser grade all- round the G.I. pipes in external work. a) 80 mm diameter pipe

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) a) 80 mm nominal bore

Providing and laying integral cement based treatment for water proofing on horizontal surface at all depth below ground level for under ground structures as directed by Engineer-in-Charge and consisting of i) 1st layer of 22mm to 25mm thick approved and specified rough stone slab over a 25mm thick approved and specified rough stone slab over a 25 mm thick base of cement mortar 1:3 (1 cement:3 coarse sand) mixed with water proofing comound conforming to IS:2645 in the rocommended proportion over the leveling course (leveling course to be paid separately)joints sealed and grouted with cement slurry mixed with water proofing compound ii) 2nd layer of 25mm thick cement mortar 1:3(1 cement : 3 coarse sand) mixed with water proofing compound in recommended proportions. iii) Finishing top with stone aggregate of 10mm to 12mm nominal size spreading @ 8 cudm/sqm thoroughly embedded in the 2nd layer. Using rough kota stone.

Providing and laying integral cement based treatment for water proofing on the vertical surface by fixing specified stone slab 22mm to 25mm thick with cement slurry mixed with water proofing compount conforming to IS:2645 in recommended proportions with a gap of 20mm(minium) between stone slabs and the receiving surfaces and filling the gaps with neat cement slurry mixed with water proofing compound in recommended portion complete at all levels and as directed by Engineer-in-Charge. Using rough kota stone.

Providing and Placing in position suitable PVC water stops conforming to IS:12200 for construction/ expansion joints between two RCC members and fixed to the reinforcement with binding wire before pouring concrete etc. complete : a) Serrated with central bulb (225 mm wide, 8-11 mm thick)

RAJENDRASINH J JHALA

Parikh Kashyap Indulal