Improvement to Nimbavali Yevai Pipeline road to Cement Concrete and Construction of Retaining wall Taluka Bhiwandi (VR-284) Dist Thane

Amount

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately etc. complete. (Item No. 3.10)

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 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(Material obtained from Other sources)

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 roller to achieve the desired density, complete as per clause 401 -- Plant Mix Method and Grading-I Material

Construction of dry lean cement concrete Sub-base over a prepared sub-grade with coarse and fine aggregate(natural sand/VSI grade finely washed crushed sand) conforming to IS: 383, the size of coarse aggregate not exceeding 25mm, , cement content not to be less than 150kg/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. with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/concrete Batch mix plant(Pan mixer) etc. complete.

Providing and laying in-situ M40 Grade unreinforced plain cement concrete pavement over a prepared sub base 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 batching and mixing plant/non tilting mixer and Weigh batcher as per approved mix design, admixtures, transporting to site, spreading, laying with approved make paver, compacted and finished in a continuous operation, 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 80mm at bottom and 40mm at top with depth of 75mm and maintaining the same throughout curing period by any other method approved by Engineer-in-charge. with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/concrete Batch mix plant(Pan mixer) etc. complete.

Providing and fixing in position TMT FE 500, 25mm dia dowel bars precoated with anticorrosive epoxy paint of required Dia. 60cms. Long and at 30.00cm. C/C and wherever directed including handling, straightening, necessary cutting supported by TMT FE 500, chairs with proper alignment by using properly designed assembly of Bulkheads lubricating half length with bituminous paint as directed etc. complete.

Providing and laying 125 micron Low Density Polyethylene(LDPE) sheet confirming to IS 3395 : 1997 below concrete pavement including all materials and labour complete.

Cutting transverse contraction joints 3 to 4mm wide and depth 60mm. .in concrete slab using concrete cutting machine with diamond studded saw within 48 hours of casting of bay/slab etc. complete including subsequent widening of the groove 8 to 10mm. wide at top having depth of 15mm. as directed by Engineer incharge.

Providing to contraction joints polysuphide sealent(Pouring grade) confirming to BS : 5212-1989 into sawed groove widened at top for sealent reservoir of specified size and shape as per detailed drawing including fixing Polyethylene foam backer rod of required diameter(appraox. 25% larger than the initial 3mm.to 4mm. joint) overlaid with bond breaking tape as per detailed drawing. Item includes cleaning the joints with water jet/air compressor and allowing joint to become thoroughly dry before sealent is applied and applying primer.(A) Contraction and longitudinal joints(15mm. deep x 8mm.wide)

Providing and fixing in position TMT FE 500, tie bars precoated with anticorrosive epoxy paint of 12mm dia. 70cms.long and at 30.00cm. C/C and wherever directed including handling, straightening wrapping with paper of approved quality for half length, necessary cutting, handling, straightening, supported by assembly of TMT FE 500, chairs with proper alignment etc. complete.

Excavation for roadway in hard murum and boulder 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 soling using 80mm size trap metal in 15cm. layer including filling voids with Crushed sand/grit, ramming, watering etc. complete.

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 with SCADA with fine agreegates of required specifications(Natural sand/VSI sand finely washed etc)

Providing cast in situ/ready mix M20 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

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.

Providing and fixing reinforced cement concrete cover of size 90cm x 45cm with frame over inspection chamber etc. complete. Heavy duty(225 Kilogram)

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

Providing and fixing heavy duty inter locking concrete Coloured paving blocks of 60mm thickness of having a strength of 300 Kilogram/Sq.cm. of approved quality and shape on a bed of crushed sand of 25 to 30mm thick including skirting joints and cleaning etc. complete

Providing and laying Cast in situ/Ready Mix cement concrete in M15 of trap/granite/quartzite/gneiss metal for bed blocks, foundation blocks and such other items including bailing out water, Steel centering, formwork, laying/pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. The Cement Mortar 1:3 plaster is considered for rendering uneven and honeycombed surface only. Newly laid concrete shall be covered by gunny bag, plastic, tarpaulin etc.(Wooden centering will not be allowed.), 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)

Providing and laying in situ/ready mix M-20 cement concrete of trap/granite/quartzite/gneiss metal for gutter slab including compacting, finishing, curing etc. complete.(excluding reinforcement)(with reversible drum type mixer/concrete batch mix plant(pan mixer) with SCADA with fine agreegates of required specifications(Natural sand/VSI sand finely washed etc), cement 6.40 bags/cumt)

Providing and applying two coats of water proof cement paint of approved manufacture and of approved colour to the plastered surfaces including scaffolding if necessary, cleaning and preparing the surface, watering for two days etc. complete.

Providing and Laying hot applied thermoplastic road marking strip on Bituminous Surface of specified shade/colour of 2.5mm thick including 1.5 Refractive index reflectorizing glass beads @ 250gm/sqm .Thickness of 2.5mm is exclusive of surface applied glass beads as per IRC 35:2015. Initial Dry reflectivity RL shall be > 250 mcd/sqm/lux measured in the initial 7 days and sustained reflectivity RL of 100 mcd/sqm/lux and Qd of 100 mcd/sqm/lux measured at the end of 2 years by means of a Standard Reflectometer of Zehntner, Easylux, Delta make capable of measuring RL & QD both according to IRC 35:2015 clause 15.5. The finished surface to be level, uniform, and free from streaks and holes complete as per direction of Engineer-in-charge and in accordance with applicable specifications.(Refer MORTH Clause 803 for technical Specification and Performance for IRC 35:2015).

Providing and fixing Mandatory/Regulatory sign boards in circular shape of 600mm dia made out of 3mm aluminum composite material sheet bonded with white retro reflective sheeting of Class B(Type IV High intensity micro-prismatic 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 grey stove enamel paint and supported on one no. of M. S. angle iron post of size 65mm X 65mm X 6mm, 3.45m long, duly painted with with flat oil paint having alternate black and white bands of 25cm width including G.I. fixtures etc; fixing the boards in M25 grade concrete block of size 60cm X 60cm X 75cm including transportation etc; complete. Class B(Type IV High intensity micro-prismatic grade sheeting-HIP) shall have 7 years written warranty from the manufacturer and authorised distributor/convertor issued for field performance including the screen printed areas and cut-out sheeting and cut-out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/supplier.

Providing and fixing Cautionary/Warning sign boards in Equilateral Triangle size of 600mm made out of 1.5mm aluminum sheet bonded with white retro reflective sheeting of Class B(Type IV High intensity micro-prismatic 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 grey stove enamel paint and supported on one no. of M. S. angle iron post of size 65mm X 65mm X 6mm, 3.45m long, duly painted with with flat oil paint having alternate black and white bands of 25cm width including G.I. fixtures etc; fixing the boards in M25 grade concrete block of size 60cm X 60cm X 75cm including transportation etc; complete. Class B(Type IV High intensity micro-prismatic grade sheeting-HIP) shall have 7 years written warranty from the manufacturer and authorised distributor/convertor issued for field performance including the screen printed areas and cut-out sheeting and cut-out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/supplier.

Providing and fixing of retro-reflectorised informatory sign board rectangular/Square in shape having area less than 0.9 square metre made out of 4mm aluminum composite material sheet bonded with white retro reflective sheeting of Class B(Type IV High intensity micro-prismatic 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 and supported on one no. mild steel angle iron post 75mm x 75mm x 6mm, 3.5 mt long firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45cm x 45cm x 60cm, 60cm 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 25cm 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 micro-prismatic grade sheeting-HIP) sheeting shall have 7 years written warranty from the manufacturer and authorised distributor/convertor issued for field performance including the screen printed areas and cut-out sheeting and cut-out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/supplier.

Supplying and Fixing of Molded Shank Raised Pavement Markers/Cat's Eye made of polycarbonate and ABS moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face and shall support a load of 16000kg tested in accordance to ASTM D 4280 Type H and complying to Specifications of Category A of MORTH Circular No RW/NH/33023/10-97 DO III Dt 11.06. 1997. The height, width and length shall not exceed 50mm, 100mm and 102 +/-2mm and with minimum reflective area of 13 Sqcm on each side and the slope to the base shall be 35 +/-5 degree. The strength of detachment of the integrated cylindrical shanks, (of diameter not less than 19 +/-2mm and height not less than 30+/-2mm) from the body is to be a minimum value of 500 Kg. Fixing will be by drilling holes on the road for the shanks to go inside, without nails and using epoxy resin based adhesive as per manufacturer's recommendation and complete as directed by the engineer.The contractor shall submit a two year warranty for satisfactory field performance including stipulated retro-reflectance of the reflecting panel, to the Engineer.

R.V.Construciton