Gorkhaland Territorial Administration Tender

Cement concrete with 30mm down graded shingles excluding shuttering. (a) (1:3:6) proportion .

Plum concrete work with 40 % cement concrete with 30 mm down graded stone metal and 60 % stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any.

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, crossdrain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. A) Granular material

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (ii) With 1:4 cement mortar (b) 15 mm thick plaster

Neat cement punning on cement plaster surface.

Spreading and consolidation stone metals of specific sizes and hard crust to requisite thickness(measured after compaction) in layers including screening type aggregates as necessary hand packing after spreading in uniform thickness, rolling with power roller in stages to proper grade and camber spreading and and sweeping requisite type and quantity of screening materials to fill up the interstices of coarse aggregates, applying binding materials as directed, watering etc. and lighting guarding barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and as per specification and direction of Engineer-in –charge including cost of stone materials and screenings.

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.

Laying 20mm thick premixed carpet (open grade) using 1.8m3 of 13.2mm size and 0.9m3 of 11.2mm size stone aggregate per 100m2 of surface including thorough Cleaning of the surface applying tack coat screening cleaning and preheating stone Chips and fully the mixture by tipper trucks or any other suitable arrangements within a distance of 20kms and alying the mixture uniformly over the surface with paver finisher Including annual operations as and when required for proper level, grade and Camber thoroughly rolling by power roller including the cost and carriage of stone chips and Matrix preheating the aggregates to required temperature.

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Laying premixed seal coat (type B) using 0.6m3 of grit or sand (passing2.36mm sieve and retained on 180 micron ) per 100sqm. Area including cleaning the surface, pre-heating the grit/sand by Miller mixer @113.5 kg per m3 of grit/sand laying the mixer uniformly over the surface and rolling with roller including the cost and carriage of grit/sand and other costs and charges in this connection.

Providing weep holes in Brick masonry / Plain / Reinforced concrete abutment, wing wall / return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and Technical specifications.

(a) Priming one coat to timber or plastered or steel surface with synthetic enamel oil bound primer of approved quality including smoothening surface by sand papering etc.

Painting the vertical end faces of posts, wheel guards or railing or parapet with alternate bands of different colours as directed by the Engineer-in-charge with approved synthetic enamel paint.

NOTE:- Cement 0.152 cu.m. per 100 sq.m.