Construction and Maintenance of L110-Ajayaguda to Singapata (OR-27-718) under PMGSY IV (Batch-I)

BT Road : Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MORD technical specification cluase 201.1. & direction of Engineer-in-charge (by manual means).

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 theunserviceable material with all lifts and lead of 1000m as per clause202.1of MORD specification for Rural roads & as per direction of the Engineer-in-charge.

Construction of embankment with approved materials deposited at site from road way cutting and excavation from drain & foundation of other strutures graded & compacted to meet the requirement of Tables 300.1 & 300.2 as per clause no.301of MORD specification for Rural roads and as per direction of Engineer-In-Charge.

Excavation of roadway in ordinary rock with hydraulic excavator including cutting and loading in tippers, transporting to embankment site with all leads and lifts, trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections as per Technical Specification Clause 302.of MORD and as per direction of the Engineer-in-charge.

Excavation of roadway in hard rock (requiring blasting) by drilling, blasting and breaking loading and disposal of cut rocks with all leads and lifts trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections as per Technical Specification Clause 302 of MORD and as per direction of the Engineer-in-charge.

Excavation of roadway in hard rock (blasting prohibited) by drilling, blasting and breaking loading and disposal of cut rocks with all leads and lifts trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections as per Technical Specification Clause 302 of MORD and as per direction of the Engineer-in-charge.

Construction of embankment with approved material obtained from borrow pit with lift up to 1.5 m transporting to sites, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 as per Clause 301.5 of MoRD specification for rural roads & as per direction of the Engineer-in-Charge.

Construction of granular sub-base by providing Grading III Material (As per IRCSP:77-2008)providing well graded material, spreading in uniform layers with grader on prepared surface, mixing by mix in place method with rotavator and compacting with smooth wheel roller at OMC to achieve the desired density,complete as per MORD Technical Specification Clause 401 as per direction of Engineer-in-Charge.

Providing laying spreading & 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 well prepared sub-base and compacting with smooth wheel roller of 80 to 100kn weight to achieve the desired density including lighting, barricading and maintainance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406 .

Providing and applying primer coat with bitumen Emulsion [SS-1] on prepared surface of Granular base including cleaning of road surface & spraying primer @ 0.70kg/ 1.0 kg/sqm using mechanical means as per clause 502 of MORD Specification for Rural roads including cost,conveyance,royalty, taxes, labour and T&P required for the work and as per direction of Engineer-in charge.