Flood Damage Repairs to Bridges on Kalyan Murbad Malshej ghat Nirmal Road NH-61 in Km. 36/000 to 58/000 (Murbadi Bridge, Sajgaon Bridge, Doiphodi Bridge, Kanakveera Bridge) for 2022-23

Amount

Item no.1 - Excavation for foundation in hard murum and boulders including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete. a) Upto 1.50m lift Normal Rate

Item no.2 -Excavation for foundation in hard rock by chiselling and wedging or line drilling including shoring and strutting as necessary and disposing off excavated stuff as directed etc. Complete

Item no.3 -Dewatering on BHP basis by using water pump including diversion of stream, providing cofferdams, earthern bunds etc. as may be necessary for foundation and other parts of the the works and pumping out water during and after excavation as may be required by using 5.0 to 9.0 BHP pump etc. complete. (prior approval of Superintending Engineer will be necessary)

Item no.4 -Providing dry/ trap/ granite/quartzite/ gneiss rubble stone soling 15 cm to 20 cm thick including hand packing and compacting etc. complete

Item no.5 -Providing and laying in situ / ready mix / ready mix M10 cement concrete of trap/ granite/ quartzite/ gneiss metal in foundation including necessary centering, formwork, bailing out water, compacting and curing etc. complete. (with fully automatic micro processor based PLC with SCADA enabled with reversible drum type mixer/ concrete batch mix plant (pan mixer) with natural /artifical sand)

Item no.6 -Providing and laying in situ / ready mix controlled grade of M25 of trap /granite /quartzite /gneiss metal for RCC works in RETAINING WALL / cut off walls / curtain walls including necessary scaffolding, centering, compacting by vibrator, inishing and curing etc. complete. (with fully automatic micro processor based PLC with SCADA enabled with reversible drum type mixer/ concrete batch mix plant (pan mixer) with fine agreegates of required specifications ( VSI sand finely washed etc ), excludingreinforcement)

Item no.7 -Providing and laying in situ / ready mix M35 grade RCC jacketing work around the existing piers of bridges etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer with fine agreegates of required specifications ( VSI sand finely washed etc ), height of 8 to 10 meter

Item no.8 -Metal Beam Crash Barrier -- Type - A, W : Metal Beam Crash Barrier (Providing and erecting a W metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810)""

Item no.9 -Providing and cutting, bending, hooking laying In position and lying T.M.T. steel bars for reinforcement as per detailed drawings for R.C.C. works etc. complete.

Item no. 10 - Providing and laying pitching on slopes laid over prepared filter media including boulder apron laid dry infront of toe of embankment complete as per drawing and technical specifications etc. complete. (by stone/boulder)

Item no.11 -Providing RCC railing of cast in situ / ready mix RCC posts with M20 CC of trap/ granite/ quartzite/ gneiss metal for horizontal and vertical members as per detailed drawings including reinforcement, scaffolding, centering, formwork, compaction, finishing and curing with watering chemical compound etc. complete. (fully automatic micro processor based PLC with SCADA enabled with reversible drum type mixer/ concrete batch mix plant (pan mixer) fine agreegates of required specifications ( VSI sand finely washed etc )

Item no.12 -Structural Repairs to damaged concrete surface with polymer concrete /mortar with AC-ACRYLATE REPAIR and AC-BOND-AID as detailed in the method statement including material, labour, etc., all complete as directed by engineer. (Repairs to deck slab, piers, abutment, girders and other locations up to 40 mm thickness

Item no.13 -Providing and laying weep holes of 100 mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete.

Test Report for Quality Control

Cement basic Test

sand ( F.M, clay content

Sieve Analasis Aggreagate

Rubble

Aggregate WA CV, IV

Mix Design M-25

Cub test CC M -25

SHIVAM MURLIDHAR DEORE

Jai Bharat Constructions