Improvement including two years maintenance and repairs of Nirawade Nhaveli Aros Kondura Talawane Aronda road M.D.R.61 in K.M. 0/00 to 15/400 Tal Sawantwadi Dist.Sindhudurg

Amount

Item No. 1 :- Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting with Intelligent Compactor with compaction analyzer and V-Sat attachment to the required density. Grading I (Using Screening Type B (11.2 millimetre) Aggregate)

Item No. 2 :- Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting with Intelligent Compactor with compaction analyzer and V- Sat attachment to the required density. Grading II (Using Screening Type B (11.2 millimetre) Aggregate)

Item No. 3 :- Providing and constructing 50 millimetre thick Modified Penetration Macadam (MPM) road surface including all materials, preparing the existing road surface, spreading 40 millimetre stone layers metal 30% crusher broken metal + 70% Hand broken metal (By breaking Rubble obtained by blasting) , heating and spraying the bitumen of VG-30 @ 1.75 kilogram / square metre, spreading 12 millimetre size chips compacting with Static roller having weight 8 to 10 Metric Ton to achive the desired degree of compaction as per Technical Specification Clause 506 etc.complete, including applying tack coat of bitumen VG-30 at the rate of 0.30 kilogram / Square Metre (on existing bitumen surface)

Item No. 4 :- Providing and constructing 75 millimetre thick Modified Penetration Macadam (MPM) road surface including all materials, preparing the existing road surface, spreading 40 millimetre stone metal layers 30% crusher broken metal + 70% Hand broken (by breaking rubble obtained by blasting) heating and spraying the bitumen of VG-30 grade @ 2 Kilogram / Square Metre, spreading 12 millimetre size chips compacting with three wheel static roller having weight 8 to 10 Metric Ton to achive the desired degree of compaction as per Technical Specification Clause 506 etc. complete. Including picking of existing WBM surface.

Item No. 5 :- Open Graded Premix Surfacing- Providing and Laying OGC 20 millimetre thickness composed of 13.2 millimetre to 5.6 millimetre aggregates premixed with bituminous binder transported to site with VTS , laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired compaction VG-30 Bitumen, using plastic 8% of bitumen content including providing and laying seal coat sealing voids in a bituminous surface laid to the specified level and cross fall using Type A seal coat including tack coat at the rate 2.50 kilogramme per 10 square metre. For Bitumen VG-30 bulk—USING drum mix type hot mix plant with SCADA, Paver and Vibratory roller etc. complete.

Item No. 6 :- Excavation for foundation in earth, soils of all types, sand, gravel, soft murum including shoring and strutting as necessary and disposing off excavated stuff as directed etc. complete.

Item No. 7 :- 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)

Item No. 8 :- Providing rubble filling of trap/ granite/ quartzite gneiss stones for foundations including hand packing filling gravel / sand in the voids etc. complete.

Item No. 9 :- Providing and laying in situ / ready mix cement concrete of M-10 proportion with trap/ granite/ quartzite/ gneiss metal in foundation including necessary form work, compacting and curing etc. complete. (with reversible drum type mixer / concrete batch mix plant (pan mixer)) with SCADA with Natural / VSI standard Artificial Sand)

Item No. 10 :- Providing cast in situ / ready mix M-10 grade cement concrete for head walls of CD work / retaining walls etc. including necessary form work, compaction, finishing and curing etc. complete. (with reversible drum type mixer/ concrete batch mix plant (pan mixer) with SCADA with Natural / VSI standard Artificial Sand )

Item No. 11 :- Providing and laying cement concrete pipes of IS-458-1988 NP-3 class of 900 milimetre diametre for C. D. work in proper lines, level and slope including providing and fixing collars in cement mortar 1:2 including all lead and lifts etc. complete.

Item No. 12 :- Providing and laying cement concrete pipes of IS-458-1988 NP-3 class of 600 milimetre diametre for C. D. work in proper lines, level and slope including providing and fixing collars in cement mortar 1:2 including all lead and lifts etc. complete.

Item No. 14 :- Back filling behind abutment, wing wall and return wall as per drawings and technical specifications etc. complete. ( by granular material ).

Item No. 15 :- Providing weep holes in brick masonry /plain /reinforced concrete abutment, wing wall / return wall with 100 millimetre diameter AC pipe extending through the full width of the structure with slope of 1V: 20H towards drawing face as per drawings and technical specifications etc. complete.

Item No. 16 :- 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 50 metre and spreading for embankment or stacking as directed.

Item No. 17 : Supplying 80 millimetre laterite stone metal hand broken at the road side including conveying and stacking etc. complete.

Item No. 18 :- Spreading oversize / size ( 80 millimetre / 60 millimetre ) metal including sectioning etc. complete.

Item No. 19 :- Supplying hard murum / kankar at the road site, including conveying and stacking, etc. complete.

Item No. 20 :- Spreading hard murum for side width, etc. complete.

Item No. 21 :- Compacting the oversize laterite metal layers with static Roller including necessary labour, materials and artificial watering etc. complete.

Item No. 22 :- Providing reinforced cement concrete M-15 ordinary kilometre stone including painting, numbering etc. complete for N.H., S.H. and M.D.R. as per I.R.C. design for highway km. stone and fixing in standard size of cement concrete 1:4:8 block including supplying all material with all lead and lifts etc. complete.

Item No. 23 :- Providing and fixing 200 metre stone of M-15 cement concrete of standard size and shape as per I.R.C. design including painting, numbering, fixing in standard size of cement concrete 1:4:8 block including supplying all material with all lead and lifts etc. complete.

Item No. 24 :- Providing and fixing M-15 Reinforced Cement Concrete guard stone/ indicator stones / boundary stones of standard size and shape including fixing in Cement Concrete 1:4:8 and white washing etc. complete.

Item No. 25 :- Providing and fixing in position Guard Railing as per Drg. No. 15 Type C dt. 20-4-79, with 3 rows of 40 millimetre diametre Galvanised Iron pipe 30 centimetre a part and fixed in Mild Steel channels of section 100 x 50 x 6 millimetre spaced 2.5 C/c 1:2:4 cement concrete bedding of size 45 x 30 x 30 centuimetre as per detailed drawing, with 3 coats of approved of yellow and black paint including necessary excavation in any strata.

Item No. 26 :- Providing and fixing of retroreflectorised informatory sign board rectangular/Square in shape having area less than 0.9 square meter made out of 2mm aluminum sheet bonded with white retro reflective sheeting of Class B ( Type IV High intensity microprismatic grade sheeting HIP) having pressure sensitive/heat activated adhesive retoreflective specified back ground, border and back side retoreflctive symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3, supported with back support frame 25mm x 25mm x 3mm, duly painted on back side with two coats of grey stove enamel paint & supported on one no. mild steel angle iron post 75 mm x 75 mm x 6 mm, 3.5 mt long firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing The angle iron post shall be duly painted with one coat of epoxy primer and two coats of epoxy finish paints having alternate black and white bands of 25 cm width including GI fixures and transportation etc.complete.The nut bolts of board with angle iron post/supporting structure after fixing at site has to be electrically welded. Class B ( Type IV High intensity microprismatic grade sheeting HIP) sheeting shall have 7 years written warranty from the manufacturer & authorised istributor/convertor issued for field performance including the screen printed areas and cutout sheeting and cutout durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/supplier.

Item No. 27 :- Restoration of rain cuts with soil, murum gravel or a mixture of these, clearing the loose soil, benching for 300 millimetre width laying fresh material in layers not exceeding 250 millimetre and compaction with plate compactor or power rammer to restore the original alignment, level and slopes as per drawings etc. complete.

A) For First Year

B) For Second Year

% of making up of berms / shoulders for First Year 10%

% of making up of berms / shoulders for Second Year 12%

Item No. 29 :- Repairs to pot holes by removal of failed material trimming the sides to vertical and levelling the botton cleaning the same with compresed air or any appropriate method filled with 50 milimeter thick modified penetration macadam over prepared base by spreading 40 milimeter size crushed metal layer with compaction by power roller, heating and spraying bitumen with sprayer at 1.75 kilogram per square metre spraying key aggregate (12 milimeter size chips) and final compaction with power roller on black top road suraface including picking the existing surface 50 milimeter thick etc. complete.

% of repairs pot holes for First Year 3.00%

% of repairs pot holes for Second Year 3.00%

Item No. 30 :- Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat, 20 millimetre thick pre-mix carpet and seal coat as per MORTH specification clause 3004.1 and 3004.2

% of repairs pot holes for First Year

% of repairs pot holes for Second Year

Item No. 31 :- The maintenance of drains include erosion, repair, clearing, cleaning, reshaping, regarding, deepening of side drains as well as catch water drains as per technical specification Clause 1907.

Assumed affected length for First Year

Assumed affected length for Second Year

Item No. 32 :- Maintenance of Kilometer stones, and 200 metre by way of refiting of tilted stones repairing with cement mortar, cleaning, repairing and lettering on 200 metre, kilometre stone and 5th kilometre stone etc. complete.

Assumed affected length for First Year - 20%

Assumed affected length for Second Year 20%

Item No. 33 :- Trimming of grass, shurbs and weeds from the shoulders / berms and disposing off the same to suitable locations etc. complete.

A) For First Year

B) For Second Year

Item No. 34 :- White washing two coats on parapet walls and white washing and geru lime painting to tree trunks including preparation of surface by cleaning scraping etc. complete.

Assumed affected length for First Year - 100%

Assumed affected length for Second Year - 100%

Item No. 35 :- Maintenance of road signs by way of cleaning and repainting of mandatory / regulatory / cautionary / informatory and place identifications sign board as per drawings etc. complete.

Assumed affected length for First Year - 100%

Assumed affected length for Second Year - 100%

Item No. 36 :- Maintenance of guard stones/ boundry stones/ indicator stones by way of refiting of tilted stones repairing with cement mortar, cleaning, repairing and white washing etc. complete.

Assumed affected length for First Year - 100%

Assumed affected length for Second Year 100%

Item No. 37 :- Cutting of branches of trees and shrubs from the road way or within right of way including disposal of wood and leaves to suitable location, etc. complete.

A) For First Year

B) For Second Year

Item No. 38 :- Maintenance of Hume pipe Culvert by way of Clearing, Cleaning, Erosion repair, repairs to cracks, parapet wall and protection work as per drawing etc. complete.

A) For First Year

B) For Second Year

Item No. 39 :- Supplying 60 millimetre laterite stone metal at the road side for metal including conveying and stacking etc. complete.

A) For First Year

B) For Second Year

Item No. 40 :- Spreading over size 60 millimetre laterite metal including sectioning etc. complete.

A) For First Year

B) For Second Year

Item No. 41 :- Providing and laying surface dressing as wearing course in single coat using crushed stone aggregates of specified size on a layer of bituminous binder laid on prepared surface and rolling with 8-10 tonne smooth wheeled steel roller. -- a) 19 mm nominal chippling size ( bitumen 12.00 kilogram /10 Square Metre) -- Bitumen VG-30 bulk bitumen.

A) For First Year

B) For Second Year

Item No. 42 :- Carrying out various test in Government P.W.D. Laboratory as per relevant standards and submitting test results to Engineer-in-charge or his representative and retesting if required, including taxes, overheads and other allied charges etc. complete.

For Asphalt

Viscosity Test

Penetration, Softening Point, Flash and Fire Point, Specific Gravity Test

Ductility, Elastic Recovery Test

For Mix Material / Crush Metal

Abration Value Test

Water absorption, Specific Gravity, Impact Value. Crushing Value Test

Flackiness Index, Elongation Test

Stripping Value Test

Grading of Aggregates Test

Extraction Test

For Murum

Liquid Limit and Plastic Limit Test for Earthwork

Compaction Test ( Proctor Density )

Sieve Analysis Test

For Sand

Silt Content Test

Sieve Analysis Test ( Fineness Modules, Silt and Clay Content )

For Cement

Standard Consistancy Finess, Specific Gravity, Setting Time, Compressive Strength, Soundness Test

For Cement Concrete Cube

Compressive Strength Test

Permeability Test of Concrete

Concrete Mix Design

For Stone

Crushing Value / Compressive Strength, Water Absorption and Specific Gravity

For Water

PH Value, Sulphate and Chloride Content

GSB Mix Design

Bharat Dhanpal Patil