Maintenance of Hogenakkal to Natrampalayam (Existing Damaged BT) Forest road in Anchetty Range of Hosur Forest Division from km0/000-7/000 during 2025-2026 and 2026-2027.

Work items

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000m including removal and disposal of top organic soild not exceeding 150mm in thickness as per Technical Specification Clause 201.

Earth work excavation and depositing on bank with initial lead of 10m and initial lift of 2m in hard stiff clay, stiff black cotton hard red earth shales, murram gravel stoney earth and earth mixed with small size boulders as per SS20B for FORMATION OF EARTHERN DRAIN & EMBANKMENT CUTTING as per MORT&H

Picking the existing BT surface upto 50mm thick as directed by the Departmental officers and collecting the picked up salvaged metal and stacking the same for reuse and depositing the debris excludung cost of materials including all labour charges for picking and all other tools and plants employed of the work and including all other incidental charges etc.,complete as per clause 111, 112, 202, 305.4.3 of MORTH - Vth Revision etc.,complete.

Wet Mix Macadam (Table:400-13) (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base/base course on well prepared surface and compacting with vibratory roller to achieve the desired density, complete as per clause 406)

Prime coat: Providing and applying primer coat with bitumen emulsion (SS-I type) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means as per clause 111, 112, 502 & 900 of MORTH Vth Revision - over WMM/ WBM

Tack coat - Providing and applying tack coat with bitumen emulsion (RS-I type) using emulsion pressure distributor at the rate of 0.25 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom as per clause 111, 112, 503, 900 of MORTH Vth Revision - over granular surfaces treated with primer

Providing and laying Tack Coat over existing BT surface using 2.00 Kgs. of Bitumen Emulsion (RS1) per 10 sqm for preparatory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per Clause 503 of MORTH Rev-5

Bituminous Macadam: Providing and laying bituminous macadam with hot mix plant using crushed aggregates of specified grading premixed with bituminous binder (Viscosity Grade 30), transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction, complete as per clause 111, 112, 501, 504 & 900 of MORTH Vth Revision- Grading II (Table 500-7)

Bituminous Concrete (Table 500-17): Providing and laying bituminous concrete with hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder (Viscosity Grade-30) at percentage specified by JMF of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher 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

Using of available cut earth including removal satisfactory disposal of all materials necessary for construction of roadway in accordance with the specification and the lines and grades and cross sections showing in the drawings or as directed by the Engineer for making up berms

Providing RCC M15 grade precast KM stone of standard design as per IRC 8-1980 and fixing in position incluidng painting and printing etc., complete (as per MORT&H specification No 804)

Providing RCC M15 grade precast HM stone of standard design as per IRC 8-1980 and fixing in position incluidng painting and printing etc., complete (as per MORT&H specification No 804)

Providing and fixing of Retro - Reflectorised Cautionary, mandatory and Informatory signs (without definition board) made out of High Intensity Prismatic Grade Sheeting confirming to Type-IV standards of IRC 67:2010 and ASTM D 4956-09, specification and fixed over 2mm thick Aluminium sheet fixed over a back supporting frame of 25mmx25mmx3mm Mild steel angle and supported on a mild steel angle post 75x75x6mm with a clear height of not less than 2.10m from the ground level to the bottom of the sign board and 0.60m below ground level. The sign post should be painted as per IRC 67:2012 and firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmx45cmx 60cm size including cost and conveyance of all materials, equipment, Machinery and labour with all leads and lifts, loading charges necessary for satisfactory completion of the work as directed by the engineer in charge. High intensity Retro-Reflectro sheet shall consist of minimum coefficient of Retro-reflection as per Table 6.6 of IRC 67-2012. The retro-reflective sheeting shall be covered under 7 year warranty issued for field performance and a certified copy of three years outdoor exposure report shall be obtained as per IRC 67:2012 (as per MORT&H Spec. No.801)

Providing and erecting direction and place identfication retro-reflectorised sign as per IRC:67 made of high intensity grade sheet vide clause 801.3 fixed over aluminum sheeting, 200 mm thick with area not exceeding 0.90 sqm supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with means of M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801

Plan cement Concrete of grade M15 Nominal Mix 1:2:4 using 40mm ISS size HBG metal including cost and conveyance of all materials to site including cost of cement at site but excluding cost and fabrication of steel and including cost of formwork, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and maintaining of protective bunds, cofferdams, shoring, strutting etc., complete as per relevant standard specifications per clause 1000, 1500, 1700, 2100 & 704 of MORT & H Specification (Fifth Revision) For Base Course for shoulder concrete

Plain cement concrete of grade M20 Nominal Mix 1:1.53 using 20mm 195 size HBG metal including cost and conveyance of all materials to site including cost of cement at site but excluding cost and fabrication of steel and including cost of formwork. Soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and maintaining of protective bunds, cofferdams, shoring strutting etc., complete as per relevant standard specifications per clause 1000, 1500, 1700, 210 & 274 of MORT & h SPECIFICATION (Fifth Revision) for wearing Coat of Shoulder concrete.

Construction of Box culvert (Vent size: 2.00mX2.00m and Width: 7.50m) including cost and conveyance of material and labour charges etc complete

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)