IMPROVEMENT WORKS INCLUDING INVESTIGATION DESIGN AND DRAWING PROOF CHECKED BY IIT AT KM 419 Pt 500 NEAR TINKU NALLAH ON POWARI POOH ROAD UNDER 108 RCC 759 BRTF SECTOR OF PROJECT DEEPAK IN HIMACHAL PRADESH STATE

ALTITUDE (2101-2400) MTR SOIL SLOPE STABILIZAION AND ROCK/SNOW FALL PROTECTION SHED WORK AT KM 419.500 NEAR TINKU NALLAH ON POWARI-POOH ROAD

Scaling of loose rock mass up to 200mm thick and disposal at 3 km from the site as directed, including all material, labour, machinery.

Supplying and installation of High Tensile Rolled cable 6.5mm to 12mm diameter net of minimum longitudinal mesh having tensile strength 270 KN/m with a minimum breaking load of cable 45 KN with junction / tearing strengt of the panel 20 KN to 24 KN and pull apart strength 10 KN to 11.50 KN for cable panel with Zn coating in confirms with IS:1835 Class- A or 95% ZN + 5% Al. ( as per EN- 10244-2-2009 ) with tensile strength of wire rope 1770 N/mm2, including top and bottom support rope, lacing wire or rope required to connect the nets and all accessories such as U-Clamps, turn buckles, thimbles, including safety, all other ancillary works, material, machinery, labour etc. complete as per technical specifications and approved design or equivalent or of higher specifications and as directed by Engineer-In-charge .Similar or equivalent or higher specification product will be accepted. If it is certified by any Indian Institute of Technology (IIT)

Supply and installation of Chain link fabric (2.7mm wire dia with zinc coating 240g/ sq.m) of 50X50 mm size (Fe 500) including 2mm dia binding wire or nuts, bolts and washers as required for proper completion of the work as per drawings, Technical Specifications and the direction of Engineer-in-charge. Made of G.l. wire of dia 2.7mm.for treatment of slopes as secondary mesh including all cost of material, labour, special labour and T&P required to complete the work in all respect as per drawings.

Supply and Installation of Self Drilling Anchors of 38mm diameter, Yield load minimum 400 KN, nut, washer plate, coupler for connecting bars, drill bit and full length grouting with admixture including all ancillary items for foundation anchoring etc. complete as per technical specifications and as directed by Engineer-In-Charge.

Design, Supply, Pre-tensioning and installation of 5000 Kilojoule Rock fall barrier in horizontal plane for protection against vertical fall on carriageway. Energy Class : 5000 kJ, Wire Diameter Min. : 3 mm, Ring Diameter Min. : 300 mm, Rope Diameter Min. : 22 mm, Barrier Height Min. : 6 Mtr, Tensile Strength : 1770 N/mm2, ETAG 027 Certification Required. or equivalent/higher system along with detailed drawings and specifications. The equivalent or higher system will be evaluated by IIT.

Supply and Installation of Gabion units of 1 m height made of mechanically woven, double twisted, hexagonal shaped steel wire mesh as per IS 16014:2018 and IRC SP 116 and MORTH clause 2500 of required sizes or equivalent, Mesh type 10X12 with mesh opening tolerances -10% to +10%, Mesh wire dia 2.7/3.7mm (ID/OD), (Zn+10%AI + PVC coated), mechanically edged/selvedged, with partition at 1 m interval, tying with lacing wire, placing at indicated places in dry condition at easily accessible location as per direction of Engineer including tools, plant, labour etc. complete in all respect, carrying the material from nearest approach with all leads & lifts, manpower & machinery, materials, labor etc. complete as per detailed technical specifications and as directed by EIC.

Supplying and installation of polyester needle punched non woven geotextile as filter media behind Gabion, gabion facia unit and wrapped around PVC pipe, as per MoRTH 700 Type-III geotextile. The width of geotextile roll shall not be less than 4.5 m, at easily accessible locations including top and bottom, with all leads and lifts, manpower and machinery, materials, labour etc. complete and as directed by Authority’s Engineer.

Providing and laying of Geotextile Articulating Concrete Block Mattress ( ACBM ) , UnilBi-directional cable Grouted with Cement Mortar / Grout Mix over Non Woven Geotextile of 200 GSM as per technical specifications enclosed .The Articulating Block Fabri shall be procured from the Indian manufacturer of the product directly of work . [including non woven geotextile but cement Grout concrete mortar will be paid sapratly in releavent item ).

Providing Supplying and Pouring of Cement Grout / Cement sand Mortar including all cost of material labour t & p etc complete in Articulating Block Fabric Form using Grout mix , that shall mix shall exhibit a minimum compressive strength of 20 N/mm2 at 28 days , when made and tested in accordance IS : 516. The sand'cement ratio shall be determined by mix design and flow of grout using ( Flow Cone Method ) as per approved designs or as per the directions of Engineer - in - Charge etc. complete including all cost of labour , material and T & P etc.

Excavation for foundation in hard rock by chiselling and wedging or line drilling including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete.

Excavation of soil in hill area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with alll lifts and lead upto 100 mtr .

Providing and laying in PCC M15 grade leveling course below approach slab complete with fully automatic micro processor PLC with SCADA enabled reversible drum type mixer/ concrete batch mix plant (pan mixer) as per drawings and Technical specifications etc. complete with fine agreegates of required specifications ( VSI sand finely washed etc )

Providing and laying in situ M35 controlled cement concrete of trap/ granite/ quartzite/ gneiss metal for RCC work in main/ cross girders, diaphrams etc. including ramming, vibrating, curing, formwork, centering and finishing in cement plaster excluding reinforcement etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer with natural sand)

Providing and laying in situ M25 controlled cement concrete of trap/ granite/ quartzite/ gneiss metal for RCC work in main/ cross girders, diaphrams etc. including ramming, vibrating, curing, formwork, centering and finishing in cement plaster excluding excluding reinforcement etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer with natural sand)

Providing and fixing in position TMT - FE - 500 bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete.

Providing and fabricating structural steel work in rolled sections like joists, channels, angles, tees etc. as per detailed design and drawings or as directed including cutting, fabricating, hoisting, erecting, fixing in position making riveted / bolted /welded connections without connecting plates, braces etc. and including one coat of anticorrosive paint and over it two coats of oil painting of approved quality and shade etc. complete.

Providing and laying weep holes of 100 mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete.

Providing subsurface drain hole (horizontal / inclined) in the slope with perforated PVC pipe (lined with Non Woven Geotextile) of 100 mm internal diameter by drilling and inserting the perforated PVC pipe as per the drawings etc.including all material, labour, machinery etc complete and as directed by Engineer-In-Charge.

Supply and Installation of double corrosion-protected multi strand pre-stressed cable anchors with Initial pre-stress load of minimum 1094 KN(with 6 nos of 15.2 mm dia strands with breaking load per monio strand of minimum 260.7 kN) and drill hole dia of 150 mm with full length grouting in two phases (grout length for Prestress = 30%), protective sheath for exposed part above the anchor head, centrallizers, including all ancillary items for anchoring, grouting and stressing on the slope surface along with casing (if required) for drilling in collapsible starta as per detailed technical specificationsand as directed by EIC.

Back filling behind abutment, wing wall and return wall as per drawings and technical specifications etc. complete. (available material)

Providing and application of Polymeric waterproofing membrane on structural Concrete Surface including cleaning of surface duly free from dust , sharp, projection and moisture for coating with cold stick primer @250 Gram per Sqm treating with Polymeric waterproofing membrane.

Providing sand layers to a depth of 100 mm spraying water compacting with power roller and complete