Construction of internal roads and drains in Jantanwala, Vilaspur Kandli of Mussoorie constituency of Dehradun district under C.M. Ghoshna no. 1581/2021.

Amount

Excavation in Soil using Hydraulic Excavator and Tippers with disposal upto 1000 mExcavation for roadwork in soil with hydraulic excavator of 0.9 Cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embankment location with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 302.3

Excavation in foundation for retaining, breast walls etc, in all types of soils and rocks including all lead, lift and disposal of surplus material as per direction of engineer - in - charge, as per drawing and technical specifications Clause 305.1 of MORD Specifiction

Dismantling of Structures Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202.By Manual Means Cement Concrete

Disposal of excavated materials from site ahead Nagar Nigam area as per direction of E/I.(i.e. Rate = Rs. 94+10% CP = Rs. 103.40 only).

Concrete with cement, coarse sand and 40 mm gauge stone ballast in proportion 1:4:8 in foundations and floors including supply of all material, labour and T&P etc. required for proper completion of the work. as per drawings and technical specifications Clause 802, 803, 1202 & 1203.

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. P.C.C. grade M 20. Nominal mix (1:2:4)

By Mix in Place Method Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. For Grading I Material

WBM Grading 3 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. By Mechanical Means

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503

Bituminous Macadam Providing and laying bituminous macadam with hot mix plant using crushed aggregates of grading as per Table 500.4 premixed with bituminous binder, transported to site upto a lead of 1000 m laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction as per Technical Specification Clause 504. (Bitumen VG-10 @ 3.3% of the weight of mix has been used for analysis purpose. The choice of bitumen will depend upon the prevailing site conditions and shall be in accordance with Clause 504 of MORD) with Bitumen VG-30.

Providing and laying Semi Dense Bituminous Concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5% of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 508 complete in all respects. Grading II - 10mm using VG - 30 bitumen.

Providing and Laying of Interlocking Concrete Block Pavements of M-40 Grade having thickness 80 mm as per drawings and Technical Specification Clause 1504.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 (For height upto 5 m) P.C.C. grade M 20 Nominal mix (1:2:4)

Note :- 1- Defect Laibilty Period for work done will be 3 Years after actual date of complition. 2- Maintenance to be done by contractor for 3 years after actual date of complition of work for which Payment will be made 0.5% for Ist year, 1.0% for 2nd years & 1.50% for 3rd year over final cost of work done. Maintenance will be done as per maintenance manual of PWD Uttarakhand and relevant code and as per direction of Engineer-in-charge such as (i) Trimming of grass and weeds from the shoulders/berms and disposing off the same to suitable locations. (ii) Maintenance of road side drains including minor slip/malba clearence, reshaping, deepening and regrading as well as catch water drains. (iii) Maintenance of shoulders to the required level by filling/cutting the soil and its compacting including disposal of the surplus material in approved muck disposal point. (iv) Maintenance of scuppers, Causeway & culverts by way of clearing, cleaning, Erosion repair, repairs to cracks, parapet walls and protection works. (v) Maintenance of road signs by way of cleaning and repainting. (vi) maintenance of 200 Metre Hectometer stone, Km stone and 5th km stone by way of refixing of tilted stones, repairing with cement motar, painting and lettering. (vii) Repairing of pot holes and patches with same material for construction or as per direction for Engineer-in charge.

AA CONSTRUCTIONS