Reconstruction of Compound wall (Retaining Wall) and Extension of existing lawn towards Seaside at Raj Bhavan, Mumbai.

Amount

Excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete. (Lift upto 3.00 m.) By Manual Means

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. (excluding dewatering) a) Upto 1.5m lifr Normal Rate b) 1.50m to 3.00m lift, Add 10% c) 3.00m to 4.50m lift, Add 20%

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. (excluding dewatering) b) 1.50m to 3.00m lift, Add 10%

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees 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.

Excavation for roadway in earth, soil of all sorts, sand, gravel or soft murum including dressing section to the required grade, camber and side slopes and conveying the excavated materials with all lifts upto a lead of 50m. and spreading for embankment or stacking as directed.

Providing earth work in embankment with approved materials obtained from departmental land or other sources upto lead of 50m. including all lifts, laying in layers of 20cm. to 30cm. thickness breaking clods, dressing to the required lines, curves, grades & section, watering and compaction with vibratory roller with V-Sat attachment to achieve not less than 97 % of standard proctor density etc. complete. Note:- If material for the eatrh work to be brought from borrow area from private land owner, the rate of compensation to be given to land owner shall be decided by the concerned Superitending Engineer, depending on local site conditions

Supplying hard murum/ kankar at the road site, including conveying and stacking complete.

Providing and laying of filter media with granular materials/ stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2 of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition as per drawing and technical specifications etc. complete.

Compacting the hard murum side widths including laying in layers on each side with power roller including artificial watering etc. complete.

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader/ Paver on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 -- Plant Mix Method and Grading - I Material

Wet Mix Macadam -- Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density. Laying By Grader/Paver.

Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, , cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant/ Weigh batch mixer, transported to site with all leads and lifts, laid with a paver with electronic sensor /by suitable means as approved by Engineer-in-charge , compacting with vibratory roller, finishing, curing and including preparation of sub-grade surface if required etc. complete.

Providing and laying in situ / ready mix controlled grade of M20 of trap /granite /quartzite /gneiss metal for RCC works in cut off walls / curtain walls including necessary scaffolding, centering, compacting by vibrator, finishing 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, excluding reinforcement)

Providing and laying in situ / ready mix controlled grade of M25 of trap /granite /quartzite /gneiss metal for RCC works in cut off walls / curtain walls including necessary scaffolding, centering, compacting by vibrator, finishing 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, excluding reinforcement)

Providing and laying in situ / ready mix M-35 controlled reinforced cement concrete of trap metal for raft slab including V" haunches, formwork, scaffolding, compaction by vibrating, finishing curing etc. complete. concrete batch mix plant / pan mixer with Natural / VSI standard Artificial Sand) etc. complete. (excluding reinforcement). a) RCC Grade with reversible drum type mixer/ concrete batch mix plant (pan mixer) ."

Providing and laying in-situ M40 Grade unreinforced plain cement concrete pavement over a prepared subbase with 43 grade cement , coarse and fine aggregate ( natural sand/ VSI grade finely washed crushed sand) conforming to IS 383, using fine and coarse aggregates combined gradation as per Table 600-3 of MORTH Specification 2013, mixed in a Tilting type Concrete Mixer as per approved mix design, admixtures, spreading, laying compacting and finished in a continuous operation without paver machine, finishing to lines and grades as directed by Engineer-in-charge and curing by curing compound /by providing cement vata in cement Mortar 1:8 @0.6m X 0.6m centre to centre, admeasuring 80 mm at bottom and 40 mm at top with depth of 75mm and maintaining the same throughout curing period by any other method approved by Engineer-in-charge.

Providing and fixing in position HCRM / CRS (Corrosion Resistant Steel) 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 laying CE Marked PP Extruded Biaxial Geogrid for basal reinforcement, indigenously manufactured from virgin high density polypropylene of Techfab India having aperture size of (38 x 38)mm and ultimate tensile strength of 20 kN/m on both direction with minimum junction strength of 95% & minimum radial stiffness of 350 kN/m (@0.5% strain for reinforcement application to subgrade, unbound subbase / base courses & soil stabilization, etc. complete (Specification: MORTH Section-700).with prior approval of concerned Superitending Engineer.

Providing and laying CE Marked Glassfibre GeoComposite (TechGlass AIC) indigenously manufactured from high performance glass fibre roving to form a reticular structural material with a unique combination of fused fibre glass and polypropylene non-woven needle punched geotextile to asphalt overlay flexible pavements and asphalt overlay distressed rigid pavements of Techfab India for Reinforcement, seizure reflective cracks, reduced surface rutting & water infiltration. (Specification: MoRTH section-700).with prior approval of concerned Superitending Engineer.

Providing and laying Geofoam confirming to ASTM D7180 Standard Guide for use of Expanded Polystyrene (EPS) with necessary cutting,fixingwith approved glue,tape,pins and approved screws in Geotechnical Projects with prior approval of concerned consultant.

Providing preconstructional antitermite treatment as per I.S. 6313 (Part-II) by treating the bottom surface and sides of excavation at the rate of 5 litres of emulsion concentrate of 1.0 percent of chlorophyrifos per square meter of surface area covering 10 years guarantee on bond paper.

Providing preconstructional antitermite treatment as per I.S. 6313 (Part-II) treatment by treating the backfill in immediate contact with foundation at the rate of 5 litres of emulsion concentrate of 1.0 percent of clorophyrifos per square metre of vertical surface area covering 10 years guarantee on bond paper.

Providing preconstructional antitermite treatment as per I.S. 6313 (Part-II) by treating the top surface of plinth filling at the rate of 5 litres of emulsion concentrate at 1.0 percent of clorophyrifos per square metre of surface area covering ten years guarantee on bond paper.

Providing and applying epoxy paint primer with middle coat and top coat to superstructure including scaffolding etc complete.

Providing and erecting chain link fencing 1.6 M. height with G.I. chain link of size 50 x 50 mm, 8 gauge thick and fixed 75 mm above ground level on vertical M.S. Angles of 40 x 40 x 6 mm size, includind excavating pits for foundation and embedded in C.C. block of 1:4:8 mix of size 450 x 450 x 670 mm. at 1.75 M. c/c with iron bar 16mm dia as hold fast including welding link with angle frame at 30 cm c/c with nuts and bolts and horizontal M.S. Angles at top and bottom of 25 x 25 x 5 mm size and vertical M.S. flat 35 x 5 mm and 25 x 5 mm horizontal including cross support of 40 x 40 x 6 mm angles both side at every corner or bend embedded in concrete blocks of 1:4:8 of size 450 x 450 x 670 mm including 3 coats of oil painting etc. complete.

Providing and fixing Guard Railing of 1000 mm height in 25mm M.S. square bars 100 mm C/c. as per Type drawing No. 6 dt. 20-8- 85 and fixed in 50mm x 50mm x 6mm iron angle embedded in 1:2:4 C.C. bedding 55 x 45 cm and 50 x 6 iron patti as per detailed drawing with 3 coats of approved yellow and black paint.

Dismantling brick masonry in lime or cement mortar and stacking the materils as directed with all leads, lifts etc.

Dismantling stone masonry in lime or cement mortar including stacking the materils as directed with all leads, lifts etc.

Removing doors and windows with frames and stacking the materials as directed with all leads, lifts etc. complete.

Removing cement tiles, or marble or polished shahabad floor or dado without bed concrete including stacking the materials as directed with all leads, lifts etc. complete

Dismantling the R.C.C. Work 1:2:4 and sorting out the materials such as steel etc. as directed and stacking them within the specified lead as directed etc. complete.

Providing, constructing and fixing 250 mm dia. Inspection chamber made up of UPVC material of thickness 3.5 mm and height of 259 mm with inlet and outlet of 110 mm dia. with 75 mm dia. U Trap, Ultra shaft pipe of Upvc material having height of 470 mm and fixing Ultra 250 mm dia. UPVC cover and frame in 150 mm thick in c.c.1:2:4, having crushed sand bed of 100 mm thick of size 550 mm dia. Including excavation and refilling the sides of chamber by crushed sand cushioning 150 mm thickness, connecting all required UPVC fittings with rubber lubricant etc. complete.

Providing, constructing and fixing 450 mm dia. Inspection chamber made up of Polypropylene / polyethylene material of thickness 3.5 mm and height of 388 mm with 160 or 200 mm main inlet (s) outlet and 110 and / or 160 mm branch inlets, with 450 mm dia. Ultra shaft pipe of HDPE material having height of 460 mm, having R.C.C. cover and frame fixing in 150 mm thick in c.c.1:2:4, having crushed sand bed of 150 mm thick of size 750 mm dia. Including excavation and refilling the sides of chamber by sand crushed cushioning 150 mm thickness, connecting all required UPVC fittings with rubber lubricant etc. complete.

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

Providing and applying required coats of a water based Evercrete Deep Penetrating Sealer (DPS) on cement concrete surface like roads, beams, and columns, plastered walls, basements, roofs, potable water tanks etc to react with cement and to penetrate concrete structure thereby making it resistant to chemicals / chlorides water to make it dust proof and to act as a water resistant at the same time which Strengthens the treated surface and reduce the curing period etc complete. - Note -- for item Number 7 to 4 prior approval of Superintending Engineer will be necessary

Providing internal cement plaster 12mm thick in single coat in cement mortar 1:3 without neeru finish to concrete or brick surfaces, in all position including scaffolding and curing etc. complete.

SOIL / MURUM : Carrying out test of Compaction Test (Proctor Density).

SOIL / MURUM : Carrying out test of Free Swell Test for Soil

SOIL / MURUM : Carrying out test of C.B.R. Test (Lab) Excluding compaction test.

SOIL / MURUM : Carrying out test of Sulphate & Chloride Contents.

SOIL / MURUM : Carrying out test of Liquid limit & plastic Limit.

WATER : Carrying out test of PH Value, Sulphate & Chloride Content.

CONCRETE : Carrying out test of Concrete Mix Design (With all Tests on basic materials)

MIX DESIGN : Carrying out test of GSB Mix Design

CONCRETE : Carrying out test of Compressive Strength OF C.C. Cube(Set of 3 cubes).

STEEL ANTI CORROSIVE TEST : Carrying out test of Chemical Resistance Test.( Set of 8 Bars )

STEEL ANTI CORROSIVE TEST : Carrying out test of Salt Spray Test (4 Cycles) (Set of 2 Bars)

STEEL BAR TESTING : Carrying out test of Upto 16 mm (Set of 3 Bars)

STEEL BAR TESTING : Carrying out test of Above 16 mm (Set of 3 Bars) (Tensile strength, %,Elongation, Yield Stress, Weight-Per Meter, Bend / Rebend Test, Proof Stress.)

P.V.C. PIPES (NON PLASTISIZED) : Carrying out test of Weight per running meter, Diameter of pipe & wall thickness of pipe

FINE AGGREGATES : Carrying out test of Fineness Modulus (Sieve Analysis), Silt & Clay Content

FINE AGGREGATES : Carrying out test of Silt Factor

Basic Test of Cement : Carrying out Standard Consistancy Fineness, Specific Gravity, Setting Time (Initial & Final ), Compressive Strength, Soundness Test

BASIC TEST OF AGGREGATE : Carrying out test of Water Absorption, Specific Gravity. Impact Value, Crushing Value

STONE / RUBBLE : Carrying out test of Crushing Value/Compressive Strength Water Absorption & Specific Gravity,

Royalty charges for sand. Royalty charges to be reimbursed to the contractor after producing original receipt of payment made to the concern Govt. office as royalty charges for the material used for this work.

Royalty charges for Other Minerals. Royalty charges to be reimbursed to the contractor after producing original receipt of payment made to the concern Govt. office as royalty charges for the material used for this work.