Hill Protection work to stabilise CISF Patrolling Road near Ch 2200, Lalbatti, North Site, BARC, Trombay, Mumbai.

Conducting pull out tests as per IS 11309 code for determining in-situ parameters for design of most economical slope retention system. Cost to include all necessary equipments, platforms safety arrangements, installation of Self - Drilling anchor R32-210, having Nominal OD of 32mm and Internal average dia of 21mm and minimum nominal weight of 2.65kg/Meter of the specified length and nominal maximum force Fy>= 210KN also grouting the same with M30 grade grout etc. as specified by Engineer Incharge.

Preparing numerical analysis and design of slope retention system for 2200 Chainage area using input parameters viz. pull out tests values, various physical and shear parameters from geotechnical investigation report (Geotechnical investigation report to be provided by the dept.) including preparation of construction drawings, detalied specification, construction methodology, material specification etc. as specified by Engineer Incharge.

Vetting of Design report for Ch 2200 hill slope protection by IITs/VJTI

Providing and laying GEOGRID in 3 layers knitted and PVC coated Polyester having minimum tensile strength of 150kN/m, indigenously manufactured from selected high tenacity polyester yarn with high molecular weight (>25000g/mol),and low carboxyl end group (<30 mm mol/Kilogram) (extruded Geogrid & Polyester strip & Geostrip,steel strips not allowed & not accepted) with granular fill as per design prepared by technical provider of reinforced earth wall and slope. The reinforced earth wall and slope should have 100% coverage of 5m width knitted and PVC coated Polyester geogrid. (Coating of Geogrid/Reinforcing geosynthetic material with LDPE, Latex, Bitumen and any other coating will not be allowed and will not be accepted) for reinforced soil wall and reinforced slope application, etc. Complete (Specification: MORTH Section-3100). with prior approval of concerned Engineer - in - Charge.

Providing and laying, spreading and compacting granular sub-base (GSB) material 300 mm thick (150 mm thick in each layer) compacted layer of crushed sand, murrum, gravel crushed stone and combination there of as per specification including spreading on the prepared sub grade, maintaining the required slope and grade and cross fall (camber) etc. complete as directed by the Engineer-in-charge (Compacted thickness only will be measured and paid for relevant item)

Earth work excavation by mechanical means (Hydraulic excavator) / manual means in all types of soil other than soft and hard rock, dressing the sides of foundation, ramming of bottom etc. including shoring and dewatering (if necessary) and refilling with selected excavated earth in layers of not more than 500 mm thick, each layer well rammed and consolidated including disposing the surplus earth within a distance of 200 m all as per specifications including clearing Jungle, uprooting of vegetation, grass, etc. complete and as directed by the Engineer-in-charge. From 0.00 to 1.50 m depth from Average Ground Level.

Earth work excavation by mechanical means (Hydraulic excavator) / manual means in foundation, in Soft Rock including shoring, dewatering if necessary, dressing the sides, ramming the bottom, refilling the sides etc. with available selected excavated earth in layers of not exceeding 500 mm in depth, each layer well rammed and consolidated disposal of surplus excavated material within a lead of 200 m complete as per specifications and as directed by the Engineer-in-charge. From 0.00 to 1.50 m depth from Average Ground Level.

Scrubbing loose boulders of any size on the surface, collecting the loose boulders at the top of slope including all lifts & machinery etc. complete and disposing of material from hill slope within BARC area as directed by Engineer - in - charge.

Removal of vegetation, bushes, shrubs in lower and upper section including stacking of useful material, disposing of material from hill slope within BARC area as directed by Engineer - in - charge.

Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-30 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticiser or super plasticiser) if required, including weigh batching, mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications up to Plinth Level. Note: The minimum cement content for RCC works should be as per the latest revision of the relevant IS code.