Improvements to the Road and drain at Vetrivinayagar nagar in Thengaithittu, Ariyankuppam Constituency.

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms , lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m -All kinds of soil.

Supply of Quary rubbish including stacking to department gauge for premeasurement and spreading required thickness as directed by the Engineer-in-charge

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering.- All work upto plinth level -1:11/2:3 (1 cement:1 1/2 coarse sand : 3 graded stone aggregate 20mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering.- All work upto plinth level -1:2:4 (1 cement: 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering.- All work upto plinth level -1:3:6 (1 cement:3coarse sand : 6 graded stone aggregate 20mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering.- All work upto plinth level -1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size)

Centering shuttering including struttings, propping etc. and removal of form work for foundations, footings , bases for columns. -

Providing , hoisting and fixing upto floor five level precast reinforced cement concrete work in string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like, including the cost of required centering, shuttering but excluding cost of reinforcement , with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Steel reinforcement for R.C.C.work including straightening , cutting , bending , placing in position and binding all complete upto plinth level - Thermo -Mechanically treated bars (TISCON / VIZAG / IISCO / SAIL / JSW) Fe - 415 or more

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 - in gratings, frames, uard 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. 40mm thick with 20mm nominal size stone aggregate.

12 mm cement plaster of mix - 1:4 (1 cement : 4 fine sand)

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:4:8 or richer mix (i/c equivalent design mix)

Demolishing brick work, manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - In cement mortar.

Disposal of debries including loading, unloading and conveyance to low lying areas within 2km lead as directed by the Engineer in charge.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth 3 wheeld steel roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite Crushable type such as moorum or gravel for screening and gravel for binding to fill up the interstices of coarse aggregate, watering and compacting to the required density - by manual means - Water bound macadam Gr-II with moorum or gravel screening. (As per MoRTH specification, 4th Revision)

Cleaning the existing W.B.M. road surface including removing of binding material and other foreign matter with wire brushes and small picks, sweeping with brooms or soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment. As per clause no 502.4.2 and 503.3.1 of MOST specification.

Providing and applying tack coat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on granular base such as WBM and WMM surfaces not bitumen primed. Rate of application 10kg/10sqm.

Providing and laying open graded premix carpet 20mm thick on prepared surface in a single course as wearing course composed of specified size of stone aggregates premix with a bituminous binder in mini hot mix plant 6 to 10 tonne laying manually and rolling with power roller 8 to 10 tonne but excluding cost of primer/tack coat. As per clause no 509 of MOST specification.

Providing and applying liquid seal coat, type `A' comprising of a layer of bituminous binder, followed by a cover of stone chipping of specified grading and rolling with power roller 8 to 10 tonne. As per clause no 513 of MOST specification.

KICHENASSAMY