E-Tender Notice No. 103 for 2023-2024

Amount

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

Removal of vegetation, bushes, shrubs in lower and upper section including stacking of useful material, disposing of material from hill slope with all leads and lifts as directed by Engineer-In - Charge.

Design, Supply, Pre-tensioning and installation of 1000 Kilojoule Rock fall barrier in horizontal plane for protection against vertical fall on carriageway. Energy Class : 1000 kJ, Wire Diameter Min. : 3 mm, Ring Diameter Min. : 300 mm, Rope Diameter Min. : 22 mm, Barrier Height Min. : 4 Meter, 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.

Design, Supply, Pre-tensioning and installation of 2000 Kilojoule Rock fall barrier in horizontal plane for protection against vertical fall on carriageway. Energy Class : 2000 kJ, Wire Diameter Min. : 3 mm, Ring Diameter Min. : 300 mm, Rope Diameter Min. : 22 mm, Barrier Height Min. : 4 Meter, 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.

Design, Supply and Installation of High Tensile Steel Wire Mesh/Drape System having minimum tensile strength of 100 KN/m of primary net with tensile strength of wire 1770 N/Sq. mm with coating for corrosion resistance, 95% ZN+5% AL (+/- 1%) as per EN-10244-2-2009) with mesh width not more than 290mm. Secondary mesh having minimum tensile strength of 50 KN/m, with minimum mesh width not more than 90mm with Tensile strength of wire 1770 N/Sq. mm and fixing minimum 10mm diameter wire rope anchor having yield strength of 500 N/mm2 or equivalent of 3m length and grouting holes by cement grout with necessary admixtures at top and bottom at pattern of 3.5m to 4.0m c/c including top and bottom support rope and all other accessories, material, machinery, labors , etc. complete; or Equivalent or higher system along with detailed drawings & specifications. Equivalent or higher system wil be evaluated by IIT).

Design, Supply and installation of Debris Flow Barrier with double mesh i.e high tensile wire mesh or high tensile roll cable net with posts having Impact absorption energy of the system must be minimum of 100 KN/SQM in dynamic loading conditions and as per drawings, Technical Specifications and the direction of Engineer-in-charge. Material used for manufacturing the Debris Flow Barrier should be equivalent to the material used in ETAG certified mesh of high tensile steel not less than 1770N/mm2. (Equivalent or Higher System will be technically evaluated by IIT)

Providing and laying weep holes of 100mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete. (Item No. 17.37)

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. (Item No. 23.01)

Supply and installation of multi strand prestressed cable anchors with initial prestress load of minimum 1094 KN (with 6 number of 15.2 mm diameter strands with breaking load per mono strand of minimum 260.7KN) and drill hole diameter of 150 mm with full length grouting in two phases, protective sheath for exposed part above the anchor head, centralizers, including all ancillary items for anchoring, grouting and stressing on the slope surface along with casing (if required) for drilling in collapsible strata as per detailed technical specifications and as directed by engineer in charge.

Providing and fixing continuously threaded bars of diameter 32 millimeter, yield load more than 400 KN, hexagonal nut, washer plate 200 x 200 x 10 mm size, coupler for connecting bars and full length grouting with admixtures including all ancillary works for top / bottom /cortical anchoring including all ancillary material, machinery, labor etc. complete as directed by Engineer In Charge..

Providing and laying Cast in situ/Ready Mix cement concrete M-25 of trap/granite/quartzite/gneiss metal for R.C.C. work in foundations like raft, strip foundations, grillage and footings of R.C.C. columns and steel stanchions etc. including bailing out water, Steel centering, formwork, cover blocks, laying/pumping, compaction and curing roughening the surface if special finish is to be provided(Excluding reinforcement and structural steel) etc. complete, with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/concrete Batch mix plant(Pan mixer) etc. complete. With fine aggregate(Crushed sand VSI Grade) (Item No. 25.13)

Providing, cutting, bending, hooking, tying and laying in position TMT FE 500 steel bars for reinforcement for all RCC works as per detailed drawings etc. complete. (Item No. 14.01)

Carrying out below mentioned tests on CEMENT as per frequency, in the Govt. laboratory as per relevant standards. Submitting test results and retesting if required including all charges etc complete. Standard Consistency Fineness, Specific Gravity, Setting Time ( Initial & Final), Compressive Strength, Soundness

Carrying out below mentioned tests on CRUSHED SAND as per frequency, in the Govt. laboratory as per relevant standards. Submitting test results and retesting if required including all charges etc complete. Fineness Modulus (Sieve Analysis), Silt & Clay Content

Silt Factor

Carrying out below mentioned tests on STEEL as per frequency, in the Govt. laboratory as per relevant standards. Submitting test results and retesting if required including all charges etc complete. Upto 16 mm (Set of 3 Bars)

Above 16 mm (Set of 3 Bars) (Tensile strength, %, Elongation, Yield Stress, Weight-Per Meter, Bend / Rebend Test, Proof Stress.)

Carrying out below mentioned tests on CEMENT CONCRETE as per frequency, in the Govt. laboratory as per relevant standards. Submitting test results and retesting if required including all charges etc complete. Compressive strength of C.C.Cube (Set of 3 cubes)

Concrete Mix Design by Normal Method (With all Tests on basic materials )

Carrying out below mentioned tests on CEMENT CONCRETE AGGREGATE as per frequency, in the Govt. laboratory as per relevant standards. Submitting test results and retesting if required including all charges etc complete. Water Absorption, Specific Gravity, Impact Value, Crushing Value

Sieve Analysis

Flakiness Index & Elongation Index

Maccaferri Infrastructure Private Limited