Under Scheme for Special Assistance Improvement by widening and strengthening of Mehuwala Prathmik Vidhyala Motor Road from Km 0.00 to 3.250 in Dehradun District in the State of Uttarakhand (CRF).

Amount

Excavation in Soil with Dozer with lead upto 100 m Excavation for roadway in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance of 100 m, including trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections.

Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal Construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408. Using naturally occuring gravel

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406. (By Mechanical Means with 1 km lead)

Prime Coat Low porosity Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing and laying Dense Bituminous Macadam with the use of batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 4.25% by weight of total mix 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. 507 complete in all respects. Grading II - 26.5mm nominal size

Providing and laying Bituminous Concrete with the use of batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder, 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. 509 complete in all respects for Grading-II (bituminous binder @ 5.4 % of mix)

Providing and laying of hot applied thermoplastic compound of ISI Mark Approved Quality of 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.

Excavation for Structures Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. Ordinary soil Upto 3 m depth

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

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)

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 R.C.C grade M 20

Supplying, fitting and placing TMT bar reinforcement (Fe 415) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202 (The reinforcement steel shall be procured from original (primary) steel producers as per clause no. 2011.3.1 of MORD specifications (First revision'2014) and IS 1786:2008 clause no. 1.6)

Random Rubble Stone Masonry laid in 1:6 cement and sand mortar, in breast walls, retaining walls, parapets, scuppers, etc. including supply of all material, labour, T&P and royaltiies etc. complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203 of MORD Specifiction

Road Studs / Cat Eye: Providing and fixing of single mould twin shank reflective road studs of ‘category A’ Raised pavement markers made out of poly carbonate/ABS moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face with retro reflectance and chromaticity values shall be as given in the detailed specifications and the product shall conform to ASTM D4280. The raised pavement marker shall also meet all the testing conditions of ASTM D4280 and fixed to the road surface using the adhesive recommended by the manufacturer. Two cylindrical Polymer Shanks of not less than 20 mm diameter and not less than 30 mm length shall be molded in the RPM body. The reflective raised pavement markers shall also confirm to the MORTH circular No RW / NH. 33023/10/ 97-DO.III and the length ,height and width of the body shall not be less than 100 mm, 15 mm and 90 mm and base of marker shall be flat within 1.3 mm and outermost faces of configuration of marker shall not deviate more than 1.3 mm from a flat surface. The marker shall support a load of 13635 Kg tested in accordance with ASTM D4280. The marker shall withstand flexural strength of 909 kgf force in accordance with ASTM D4280. Marker lenses shall be moulded of Polycarbonate or methyl methecrylate conforming to ASTM D788. The area of each retro reflectory surface shall not be less than 13.0 sq.cm. The slope or retro – reflectory surface shall be 35 + 5 degree to base. Each reflector shall have a CIL not less than values specified in table 1 of MORTH Section 800 page no. 353 and should accompany two year warranty for satisfactory field performance from the

Road Delineators / Vertical Guide Posts: Providing and fixing of Standard Metal Delineator consisting of minimum retro reflective unit exposed area of 330 sqcm, full cube corner micro prismatic nonmetallic retro reflective sheeting on each side conforming with IRC 67 and meeting the coefficient of retro reflection values as per ASTM D 4956 Type XI table specification with pure polyester powder coating with the minimum thickness of powder coating of not less than 40 micron. The posts shall have ellipsoidal or circular design with the height of the pole shall be 800 to 900 mm above the ground with about 200 to 300 anchored with PCC M-15 onto the ground. The front and back faces of the delineator should be curved with a radius of not more than 200 mm and with delta angle (or central angle of curve) lying between 20o and 30 o, to increase the visibility of the delineator for vehicles moving in continuous curves. The delineator shall have sufficient arrangement to make the reflective sheets vandalproof. Including all test report and warranties as per IRC 67 and IRC 79.

Retro-Reflective Traffic Signs with Type IV retro- reflective Sheet Providing and fixing of retro reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of Class-B Type IV retro reflective sheeting fixed over 3mm/4mm thick Aluminium composite material sheet vide clause 801.3, depending on the size of the sign fixed over back support frame of min 25 x 25 x 3mm Angle mounted on a mild steel a mild steel circular pipe 65 NB, 3.2 mm thickness, firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67.

900 mm equilateral triangle

600 mm equilateral triangle

600 mm Circular

800 x 600 mm Rectangle

600 x 450 mm Rectangle

600 x 600 mm Square

900mm high Octagon

Direction and Place Identification Signs upto 0.9 sqm Size Board. Providing and erecting direction and place identification retro-reflectorised sign as per IRC :67 made of Type IV retro- reflective sheeting, vide clause 801.3, fixed over Aluminium composite material sheet with overall thickness of 4mm with area not exceeding 0.9 sqm fixed over back support frame of min 35 x 35 x 3mm Angle mounted on a mild steel circular pipe 65 NB, firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing.

M/S DOON INFRASTRUCTURE

M/S HimalayanConstruction