Maintenance of wearing coat & other repairing work at existing Ichchhapor Creek Bridge, Ichchhapor, Surat. (3rd Attempt) (Work No.10)

PRICE BID (SCHEDULE-B)

ABSTRACT - Maintenance of wearing coat & other repairing work at existing Ichchhapor

Creek Bridge, Ichchhapor, Surat.

Description Qty Unit Amount

1 Portable Barricade in Construction Zone (Installation of a

steel portable barricade with horizontal rail 300 mm wide,

m in length fitted on a 'A' frame made with 45 x 45 x 5 mm

angle iron section, 1.5 m in height, horizontal rail painted (2

coats) with yellow and white stripes, 150 mm in width at an 15.00 3035.05 Each

angle of 450, 'A' frame painted with 2 coats of yellow paint,

complete as per IRC:SP 55-2001)

2 Dismentaling the existing structure including removing and

stacking the dismentelled materials as and where directed. 212.00 909.91 Cu.M.

3 Supplying and applying Rapid Setting-1 (RS-I) bitumen

emulsion confirming to IS 8887, for application of Tack coat

before application of binder course at the rate of 0.27 kg. per

Sq. Meter area, including all materials, labour,

machinery,tests required to be carried out with all leads and 2143.56 12.50 SM

lifts etc., complete as per details in tender specification & as

directed by engineer in charge.

4 Providing and laying DENSE GRADED BITUMINOUS

MACADAM (DBM) as per gradation and bitumen for mixing

shall be as arrived from mix design, provided in no case it

shall be less than 4.5% for Grade II by wt. of total mix as

binder by batch mix type hotmix plant and laying by sensor

paver finisher including consolidation by rollers as specified

including providing and operating plant, sensor paver and 292.00 2886.58 MT

machinery, cost of fuel, oil lubricant and labour charges, tests

requied to be carriedout including cost of aggregate and filler

(if found required as per mix design)etc complete (including

cost of providing bitumen )

5 Supplying and applying Rapid Setting-1 (RS-I) bitumen

emulsion confirming to IS 8887, for application of Tack coat

before application of wearing course at the rate of 0.25 kg.

per Sq. Meter area, including all materials, labour,

machinery,tests required to be carried out with all leads and

lifts etc., complete as per details in tender specification & as

directed by engineer in charge.

6 Providing and laying 25mm to 50mm thick compacted

BITUMINOUS CONCRETE (BC) using aggregates as per

gradation and percentage of bitumen for mixing shall be as

arrived from mix design, provided in no case bitumen

percentage shall be less than 5.4% for Grade II by Wt. of total

mix as binder by batch mix type hot mix plant and laying by

sensor paver finisher including consolidation by rollers as 203.00 3257.25 MT

specified including providing and operating plant, sensor

paver and machinery, cost of fuel, oil, lubricant and labour

charges, tests requied to be carriedout including cost of

aggragate and filler (if found required as per mix design) etc.

complete (including cost of providing bitumen )

Description Qty Unit Amount

7 Collecting, carting and stacking Stone Dust on road side as

directed and flushing the same on Bituminous surfaces at the

rate of 0.30 C.M. per 10 smt. as per details in tender 2112.00 2.41 SM

specification & as directed by engineer in charge.

8 Providing & Laying Bitumen painting (VG30) by mechanical

sprayer on wearing course(BC)surface using bitumen @

5.0kg. / 10.0 S.M. And spreading stone dust @ 0.03 C.M. /

10.0 S.M. On painted surface including operating cost of

contractor's own equipment, fuel, lubricants, carting of

required materials, all labour and material cost (including

cost of bitumen) preparing surface by brushing with wire 2112.00 29.15 SM

brushes, sweeping with mechanical broom / compressed air

and finally fanning the cleaned surface with gunny bags to

remove all loose dirt etc. completeas per details in tender

specification & as directed by engineer in charge.

Expansion Joint

9 Replacement of Expansion Joint :

Dismantling the Existing Expansion Joint by Pneumatic

Breaker without damaging to the existing reinforcement and

removal by cutting with Gas Cutter and Breaking of Concrete

up to 0.5 m on both side of joint by Mechanical means

including Disposal of malba/debris and Fixing of New Strip

Seal Expansion Joint as per drawing including necessary

welding, rebaring, fixing of Shuttering & centring and

Providing, laying, mixing, vibrating, curing and roughening 170.00 15470.00 RMT

the surfaces of reinforced cement concrete (with ordinary

Portland cement @ 500 kg/m ^3) of grade 53 to required

levels and shape at all heights and depth using 20 mm max

to 6 mm size graded aggregate as specified and directed in

repair of expansion joints etc. with Ready Mixed(Automatic

batch mix Plant) of M-50 grade (25Mpa minimum

day.)rapid hardening type concrete and self - flowable

properties with minimum flow of 450 mm at the time of

pouring with bonding coat between old and new concrete

Structural & Non-Structural Repair

10 Removal of damaged concrete and surface preparation:

Removal of existing affected, distressed, loose cover concrete

including loose damaged concrete from all structural

members up to beyond the corroded steel reinforcements to a

depth of 10 mm minimum behind the reinforcement only at

affected concrete (Good & sound concrete should not be

chipped / damaged) by chipping / hacking with chisel and

hammer or by mechanical means like pneumatic machine, air

compressor etc. upto required height as per technical 80.00 460.00 sqmt

specification without causing detrimental effect to any part of

the bridge structure and removal and disposal of debris at

designated location including all material, scaffolding, labour,

tools, plant and machineries, lead & lifts etc. complete as

directed by Engineer-in-charge.

Description Qty Unit Amount

11 Rust removal & Applicaton of Anti-Corrosive Coating for

Cleaning of rust / scales / corrosion from reinforcement bars

should be carried out using rust remover, Reebakleens RR of

Fosroc or any other equivalent. The material is to be applied

to the rusted metal bar, using brush and leaving it to dry for

30 Min. & washing surface with fresh water as required to

exposed reinforcement bar & then treat the steel with epoxy

based zinc rich anti corrosive primer Nitozinc Primer over the 32.00 525.00 sqmt

steel rebarrs. The zinc rich primer shall be applied at

microns dry film thickness and shall have salt spray

resistance of <5 mg for 96 hours as per ASTM B-117 and

adhesive bond strength > 1.5 MPa as per ASTM

D4541,etc,complete.at all heights, including all material,

labour, tools, plant and machineries complete as per detail

technical specification and as directed by Engineer-in-charge

and/or Consultant.

12 Providing and applying cement mortar (1:3) modified by

using polymer and expanding grout additives at 25 mm

thickness for repair / strengthening of various RCC elements

at all floor levels, lead, lift, including breaking, chipping,

dismentling existing cover concrete and exposing existing

reinforcement, applying wirebrush for making surfaces of

steel and concrete free from rust and other loose materials, 10.00 1208.00 sqmt

applying rust removing chemical on existing reinforcement,

applying anti-corrosive coating on existing reinforcement,

applying polymer bonding agent on existing concrete surfaces

before applying polymer modified mortar in specified

thickness as directed by the Engineer-in-charge.

13 Providing and applying cement mortar (1:3) modified by

using polymer and expanding grout additives at 50 mm

thickness for repair / strengthening of various RCC elements

at all floor levels, lead, lift, including breaking, chipping,

dismentling existing cover concrete and exposing existing

reinforcement, applying wirebrush for making surfaces of

steel and concrete free from rust and other loose materials,

applying rust removing chemical on existing reinforcement,

applying anti-corrosive coating on existing reinforcement,

applying polymer bonding agent on existing concrete surfaces

before applying polymer modified mortar in specified

thickness as directed by the Engineer-in-charge.

14 Epoxy Mortar:

Providing and applying high strength abrasion resistant three

component epoxy Mortar Nitomortar S of Fosroc on the

prepared concrete & Reinforcement Surface for thickness

upto 50mm in horizontal locations and upto 12mm in

vertical locations in a single application. The substrate should

be primed with Epoxy primer Nitoprime-25, it shall be 20.00 4555.00 sqmt

applied not more than 30 minutes before application of Epoxy

Mortar or as per Manufacturer Specification. The cured

mortar shall achieve a compressive strength of 60 N/mm2, a

flexural strength of 20 N/mm2 and a tensile strength of

N/mm2 when tested at 7 days.

Description Qty Unit Amount

15 Providing and applying thixotropic Making up lost section of

concrete / mortar with thixotropic repair mortar of one

component, normal-setting, shrinkage-compensating,

thixotropic mortar for layers up to 50 mm thick. Supply and

application of one-component, normal-setting, shrinkage

compensating thixotropic mortar made from cementitious

binders, selected aggregates, special additives and synthetic

polyacrylonitrile fibres, for reconstructing deteriorated

concrete structures. Apply the mortar after adequate

preparation of the substrate by removing all deteriorated

concrete to form a sufficiently-rough, solid substrate with no 20.00 2460.00 sqmt

detached portions. Clean the steel reinforcement down to

bare metal and apply a passivating treatment by brush

applying two coats of one-component, anti-corrosion

cementitious mortar. Apply the product by trowel or spray

with a continuous-feed rendering machine on a clean

substrate saturated with water in layers up to 40 mm thick.

To improve expansion in the open air during the first few

days of curing, add a special curing additive when mixing the

mortar to reduce both plastic and hydraulic shrinkage at a

dose of 0.25% in weight on the weight of the mortar. The

Compressive comply(EN

strength with the minimum

12190) (MPa):> 40requirements

(after 28 days)of EN

Flexural strength (EN 196/1) (MPa): 7 (after 28 days)

Compressive modulus of elasticity (EN 13412) (GPa): 25 (after

Adhesion to substrate (EN 1542) (MPa):> 2 (after 28 days)

Capillary absorption (EN 13057) (kg/m²•h0.5): <

Thermal compatibility measured as adhesion according to EN

1542 (MPa): – freeze-thaw cycles with de-icing salts (EN 13687/1):

> 1.5 (after 50 cycles)

Storm cycles (EN 13687/2):> 1.5 (after 30 cycles)

– dry thermal cycles (EN 13687/4):> 1.5 (after 30 cycles)

Reaction to fire (EN 13501-1) (Euro class):1

Consumption (per cm of thickness) (kg/m²): approximately18.5 Kg

included and calculated in the price for work carried out

according to specification:

(1) hydro-cleaning of adhesion surfaces and saturation of

substrate with water immediately before applying the mortar;

(2) application of the mortar by trowel or spray around steel

(3) levelling off surfaces with a straight edge and final tamping;

(4) careful curing of the mortar by spraying on water for at least

days (3 times) after application.

Description Qty Unit Amount

16 Providing and applying thixotropic Making up lost section of

concrete / mortar with thixotropic repair mortar of one

component, normal-setting, shrinkage-compensating,

thixotropic mortar for layers up to 25 mm thick. Supply and

application of one-component, normal-setting, shrinkage

compensating thixotropic mortar made from cementitious

binders, selected aggregates, special additives and synthetic

polyacrylonitrile fibres, for reconstructing deteriorated

concrete structures. Apply the mortar after adequate

preparation of the substrate by removing all deteriorated

concrete to form a sufficiently-rough, solid substrate with no 20.00 1370.00 sqmt

detached portions. Clean the steel reinforcement down to

bare metal and apply a passivating treatment by brush

applying two coats of one-component, anti-corrosion

cementitious mortar. Apply the product by trowel or spray

with a continuous-feed rendering machine on a clean

substrate saturated with water in layers up to 20 mm thick.

To improve expansion in the open air during the first few

days of curing, add a special curing additive when mixing the

mortar to reduce both plastic and hydraulic shrinkage at a

dose of 0.25% in weight on the weight of the mortar. The

product must comply with the minimum requirements of EN

Compressive strength (EN 12190) (MPa):> 40 (after 28 days)

Flexural strength (EN 196/1) (MPa): 7 (after 28 days)

Compressive modulus of elasticity (EN 13412) (GPa): 25 (after

Adhesion to substrate (EN 1542) (MPa):> 2 (after 28 days)

Capillary absorption (EN 13057) (kg/m²•h0.5): <

Thermal compatibility measured as adhesion according to EN

1542 (MPa): – freeze-thaw cycles with de-icing salts (EN 13687/1):

> 1.5 (after 50 cycles)

Storm cycles (EN 13687/2):> 1.5 (after 30 cycles)

– dry thermal cycles (EN 13687/4):> 1.5 (after 30 cycles)

Reaction to fire (EN 13501-1) (Euroclass):1

Consumption (per cm of thickness) (kg/m²): approximately

included and calculated in the price for work carried out

according to specification:

(1) hydro-cleaning of adhesion surfaces and saturation of

substrate with water immediately before applying the mortar;

17 Polymer modified microconcrete (for repair thickness

more than 50 mm):

Providing and laying of special repair material micro-concrete

for reinstatement of members having thickness of repair more

than 50mm and jacketing, using Single component, high

strength, high flow cementitious micro-concrete having

compressive strength minimum of M40 at 28 days such as

Renderoc RGL of Fosroc or equivalent, blended with washed

saturated surface-dry (SSD), graded, low absorption, high

density, aggregates of size 3mm to 10mm at 50% by weight

of micro concrete (if thickness is 100mm or more) and water 1400.00 44.00 KG

as per data sheet and pouring into the shuttering if required

than use birds peak type form work using suitable

arrangement or if required using pumping device for uniform

flow of Microconcrete. The side shuttering can be removed

after Minimum of 24 hours, preferably 3 days and the bottom

shuttering after 7 days ensuring proper bond between the

micro concrete and existing concrete substrate at all heights,

including all material, labour, tools, plant and machineries,

curing etc. complete as directed by Engineer-in-charge

and/or consultant. (Payment shall be made in actual

consumption of cement bag used).

Description Qty Unit Amount

18 Cementitious Injection Grouting:

Providing & Injecting cement with Cebex - 100 or approved

equivalent shrinkage compensating admixture grout into

concrete by suitable gun/ pump at required pressures by

providing necessary access/ scaffolding to any height, drilling

and inserting 12mm dia aluminium grouting multiperforated 100.00 75.00 kg

nipples upto 30mm to 40mm depth, using appropriate

Sealant around the nipple, cutting of nipples after curing,

cleaning etc complete. (This item shall be paid on actual

consumption of cement used in Kgs.)

19 Low Viscous Epoxy Injection for Dry Cracks in concrete

Providing and executing injection/pressure grouting in cracks

in the parent concrete by fixing Aluminium nipples at

mm to 200 mm distance or specified distances as per design

and detailed specifications, open cracks in V groove (5 mm x

5 mm) and fill the same using Nitocote VF - epoxy putty.

Pressure grouting using low viscous epoxy grout Conbextra

EP 10(M)- Moisture insensitive epoxy resin injection material

supplied in 1.5 Litre pack which can grout gaps ranging from

0.25mm to 9mm, having mix density

kg/m3,Compressive Strength(ASTM D695) - 60/mm2, Tensile 200.00 1670.00 kg

Strength(ASTM C 304-97)-20 N/mm2, Flexural strength(BS

6319 Part 4)-45 N/mm2. Pressure grouting shall be carry out

after surface preparations includes fixing nipples and filling

cracks with epoxy mortar one day before grouting, injecting

low viscous grout mechanically about pressure 3.5 -

kg/cm² , removing nipple after grouting and sealing with

epoxy mortar etc complete as directed by EIC. (Payment shall

be made on actual grout consumed.)

20 Providing and fixing in position M.S./ TOR reinforcement of

any dia. for RCC Piers, Abutments, Pier caps, Bed blocks,

girders, deck slab, etc. as per detailed drawings and

schedules including cutting, bending, hooking the bars,

binding with wires including drilling holes in the concrete for 0.25 76210.00 MT

fixing reinforcement and filling the same with epoxy,

scaffolding as required including welding the new

reinforcement with existing one as required and directed etc.

21 Providing and placing in position controlled cement concrete

of M-30 grade using minimum cement content as

Kg/cum and max water cement ratio of 0.40 in cast-in-situ

RCC Kerb in line and level and shape as per drawings,

finishing the exposed faces including levelling, compacting by

vibrators, curing including formwork, shuttering as necessary

and required centering etc. complete as specified and directed

by Engineer in Charge.

22 Guniting concrete surface with cement mortar applied with

compressor after cleaning surface and spraying with epoxy

complete as per Technical specification

Description Qty Unit Amount

23 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,

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

mm, 330 mm long complete as per clause 811)

24 Removing dry or oil bound distemper by a washing and

scraping and sand papering the wall surface smooth 159.00 11.30 Sqmt

including necessary repairs to scratches complete.

25 Providing & applying two coats of enamel paint (Including

priming coat) of approved quality on previously painted wall.

(kerb, central verge and anti-crash barrier) with even shade &

surface after removing dirt, dust, foreign matter etc. complete

26 Providing P.V.C.100mm diameter water spouts including

necessary iron gratings as per drawings. 80.00 159.37 NOS

27 Removing the damaged existing spouts without disturbing

the deck slab / wearing course. Cleaning the internal surface

around the spout so as to receive the new one. Cleaning the

surface etc complete.

28 RCC Core Cutting is about making precise, circular cuts for

creating holes of required diameters for Rehabilitation in civil

works. The core drilling rod is fitted with diamond pieces at

the drilling end. The core cutting machine can be used for

both horizontal and vertical hole making purposes.

Road safety devices & Road marking

29 Road marking with hot applied thermoplastic paints with

reflectorising glass beads on bitumen surface providing and

laying a hot applied thermoplastic compound 2.5 mm thick

including reflectorising glass beads @ 250gms per sqm area,

thickness of 2.5mm is excluding of surface applied glass beds

as per IRC:35. The finished surface is to be in level, uniform

and free from streaks and holes. Applicable location: zebra 98.36 367.72 Sq Mt

patta /bump patta lane/centre line/ edge line/cut

patta,directional arrow, lettering, etc. as shown in the

drawing. The width of line will be as per IRC and as decided

by Engineer in charge.

Description Qty Unit Amount

30 Cat Eye / Road Stud / RPM: Supplying of Molded Twin

Shanks Raised Pavement Markers 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 13635 kgs.

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, 35.00 217.40 Nos

width and length shall not exceed 20 mm, 130 mm and

mm 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 +/- 2 mm and height not less

than 30+/- 2 mm) from the body is to be a minimum value of

500 Kgf. Fixing will be by drilling holes on the road for the

31 Providing, Designing and fixing of flex signage with MS

Frame for external use and with uniformity so that the same

can be backlit. The flex is to be fixed neatly with adhesive to

M.S. Framing with SHS 25x25x1.5mm stretched in line and

level. The flex to be 15 ounce of LG Media for backlit and 25.00 1297.00 Sq Mt

printed on vientech machine. The graphic size is to be cross

checked with the area available before printing. The graphic

shall be prepared as per instruction of Engineer In-Charge

Executive Engineer (Bridge)

Surat Municipal Corporation