epoxy and esd flooring

7/30/2019 Epoxy and ESD Flooring

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Item

No.Description Unit Quantity Rate Amount

26

Providing 2mm thick hard, antistatic, abrasion resistant, robust solvent

free epoxy flooring (ESD flooring) with the following specifications.

sqm

2472 Rs 2497/ Rs 61,72,584/

1. Surface Preparation

Surface Preparation of concrete substrate with proper diamondgrinding /Proper Vacuum assisted shot blasting machine equipment to

remove dust, laitance, other contaminants etc., and to form the

required anchor profile on the floor substrate.

2. Providing and applying 2 part water dispersed epoxy resin primer

Sikafloor80 Promer @ 0.3 kg/m

3. Installation of underlay Moisture barrier 2mm

Providing and applying three part, self smoothing, solvent free,

moisture barrier epoxy modified cement screed Sikafloor81 EpoCem

at at thickness of 2mm @ approx. 2.25 kg/m/mm having Carbon

dioxide diffusion coefficient CO = 4168 as per Klopfer Engelgried

method, water vapour diffusion coefficient HO=252 as per DIN

52615, Water absorption coefficient W=0.02 kg/m as per DIN 52617.

When applied at minimum 2mm thickness it can be laid over high

moisture content substrate and must be used when substrate moisture

is more than 4%.

4. Installation of low emission, electrostatic conductive, self

smoothing epoxy resin system

Supply and application of Sika Electrostatic conductive Epoxy Flooring

System with electrode based in the following sequence:.

i Over the surface, an epoxy resin based primer Sikafloor 161 shall

be applied. The primer ia s two component material consisting of

Component A and Component B; the mixing ratio would be 79:21, by

weight.

ii. The Earthing kit (Electrode) with copper tape shall be placed

according to the specification mentioned above, The name of theearthing kit would be Sikafloor Leitset and the copper tape would be

Sika Kupferleitband or equivalent

iii. Over the primed surface, a conductive under of Sikafloor 220W

should be applied. The conductive undercoat is a two component

material, which should be mixed at the specified ratio like 83:17 (by

weight) and applied using a brush or roller. This is water borne epoxy

and the mixed density is 1.04kg/I.

iv. Application of low emission, electrostatic conductive, self

smoothing epoxy topping of 1.5mm thickness with Sikafloor 266 ECF CR

including taking the conductivity measurements of top coat as per the

technical specification. The product conforms to Compressive strength

is 80N/mm as per EN 138922, Resistance to ground: RG10 to 10

as per IEC 6134041 Flexural Strength is 39N/mm as per EN 138922,Shore D Hardness is 84 as per DIN 53 505 Abrasion resistance is 45mg

(CS 10/1000/1000)(14days/+23C) as DIN 53 109 Taber Abrader Test)

applied @ 2.1 Kg/sqm followed by Sikadur 502 @ 0.6 Kg/sqm. All in

complete as per the manufacturers specifications and directions of the

engineer in charge.

ESD FLOOR REQUIREMENT AND SPECIFICATION

Major Specification:


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1. Electrical Resistance (On conductive black Coat): Surface resistance

between 104 to 106 as per DIN IEC 6134041 Standard.

2. Walkinvoltage: 100V to +100V as per DIN IEC 6134051 Standard.

3. System Resistance: Less than 35M including floor concrete

substrate etc as per DIN IEC 6134051 Standard.

4. Compressive Strength: More than 80N/mm2 as per EN 1961

Standard.

5. Flexural Strength: More than 55N/mm2 as per EN 1961 Standard.

6. Abrasion resistance: Maximum thickness reduction should not be

more than 2mm as per IS 91621979/IS 12371980.

7. Hardness: Shore D hardness of floor more than 85as per DIN53505.

8. Tensile Strength: More than 15N/mm2 as per EN 1961 Standard.

9. Pull Out Strength/Bond Strength: More than 1.5N/mm2 or concrete

failure as per ISO4624 Standard.

10. Gloss: 75% as per IS 1011988 Standard.

11. Chemical Resistance: Resistance to acids, caustic soda, liquid soap,

IPA etc as per IS 46311968.

12. Water absorption: Less than 0.5% as per ASTM D570.

13. Slip resistance:Better than R11 as per Employers Liability Insurers

Institute of safety at work (BIA).

14. Low VOC.

15. Temporary Moisture Barrier underlay screed:

a. Layer thickness Min. 2mm must be applied.

b. CarbonDiOxide Diffusion Coefficient (CO2) Co2~4168 acc.

Carbonation Resistance for 3mm thickness R~12.5M.

c. Water Absorption Coefficient W W ~ 0.02 Kg/m2 X h0.5 acc. To

DIN 52 617.

d. Water Vapor Diffusion Coefficient (H2O) H2O~252 acc.

Equivalent air Layer Depth for 3mm Thickness SD~0.75m.

e. EModulus Static: ~19.9 KN/mm2 (at +20oC)

~23.2 KN/mm2 (at 20oC).

f. Compressive Strength 60 N/mm2 as per IS 91621979.

g. Flexural Strength 18 N/ mm2 as per IS 91621979.

h. Bond Strength 4.1 N/ mm2 according to EN 138928.

i. Production Description A three part, Epoxy modified

Cementitious, fine textured mortar for self smoothing floor screeds

used as temporary barrier.

16. Particle emission Certificate according to CSM statement of

Qualification ISO 146441, class3.

17. Out gassing Emission Certificate according to CSM statement of

Qualification ISO 146448, class3.

Construction/Configuration:

Details of construction above concrete floor are as follows,

1. Epoxy Moisture barrier to avoid any moisture relateddeboning/blisters of floor in future or during application.

2. Epoxy Scrape coat as per requirement depending on actual condition

of concrete substrate.

3. Primary coat as binder.

4. Electrodes as per requirements to be embedded inside the floor (NO

cupper strips/copper grid or external lying of electrodes are permitted).

5. Epoxy Conductive code for providing uniform conductivity of ESD

flooring.


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6. Epoxy load bearing top coat of required thickness and color as per

our selection from RAL Shade.

General Condition:

1. Warranty to be provided for blisters, de bonding and loss of ESD

property due to material degradation.

2. Scratch resistance coating and preventive maintenance

methodology, facility, provision to be provided.

3. After sale service to be provided immediately for full warranty period

free of cost.4. Repair, relaying charges will be paid for repair, relaying etc due

damages caused by us on actual.

Substrate Requirement:

1. Compressive strength of concrete should be floor more than

25N/mm2.

2. Pull out strength of concrete should be more than 1.5N/mm2.

3. Undulation of floor less than 5mm on a span of 10meter.

4. Floor surface to be free from laitance, grease, oil,

inorganic/organic acids, polyurethane etc.

5. Surface should be free from voids, cracks, potholes etc.

6. High spots to be eliminated.

7. Metal panels/parts to be eliminated.

8. Expansion joints if any to be identified.

9. At least 15mm clearance to be provided from floor to door etc.

27

Providing 2mm thick hard, abrasion resistant, robust solvent free epoxy

flooring (Non ESD flooring) with the following specifications.

sqm 960 Rs 1356/ Rs 13,01,760/

1. Surface Preparation

Prepare the dry concrete surface using proper diamond grinding

equipment to remove any loose material, contaminations and laitance

to provide a sound, fine gripping surface. Clean the entire floor area

using a powerful industrial vacuum cleaner.

2. Providing and applying 2 part water dispersed epoxy resin primer

Sikafloor80 Primer approx at the rate of 0.3 kg/sqm

3. Installation of underlay Moisture barrier 2mm

Providing and applying three part, self smoothing, solvent free,

moisture barrier epoxy modified cement screed Sikafloor 81 EpoCem

at thickness of 2mm @ approx. 4.5 kg/m having Carbon dioxide

diffusion coefficient CO = 4168 as per Klopfer Engelgried method,

water vapour diffusion coefficient HO=252 as per DIN 52615, Water

absorption coefficient W=0.02 kg/m as per DIN 52617. When applied

at minimum 2mm thickness it can be laid over high moisture content

substrate and must be used when substrate moisture is more than 4%.

4. Providing and applying epoxy resin based primer Sikafloor 161

shall be applied. The primer is a two component A and Component B;

the mixing ration would be 79:21, by weight.

5. Installation of self laveling epoxy requirement


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Providing and applying four part, self smoothing solvent free, coloured,

smooth glossy, epoxy resin screed Sikafloor266CR@ approx. 2.5

kg/m (including Sikadur 501) having compressive strength of N/mm

EN 138922, Flexural strength of 39N/mm as per EN 138922, Shore D

Hardness 84 As per DIN 53 505 abrasion resistance 45mg (CS

10/1000/100) DIN 53 109 (Taber Abrader Test). All in complete as per

the manufacturers specifications and directions of the engineer in

charge.

52

Providing water proofing treatment with two coats of polyurethane of

approved manufacture "UNISEAL WS1" / "TECHCOAT61P" or

equivalent for the sunken floors. The sunken slab and the side vertical

walls should be finished smooth with cement plaster (Cement plaster

will be measured and paid for separately as an item), the surface should

be absolutely dry, free from dust, grease, oil and loose particles.

Providing necessary scaffolding wherever required and cleaning the

surface etc., complete all as per the manufacturer's specifications.

NOTE:

1) The sunken floor shall be tested after the treatment for water

tightness by impounding water for a period of 48 hours.

2) Performance guarantee for a period of 10 years be obtained from the

contractors/manufacturers of the paint.

sqm 275 Rs 578/ Rs 1,58,950/

3) The coverage capacity for "UNISEAL WS1" or equivalent for a

smooth surface should be 3.717sqm/kg (40sft/kg) for the first coat and

4.647sqm/kg (50sft/kg) for the second coat and for a roughsurface the

coverage should be 2.788 sqm/kg (30 sft/kg) for the first coat and 3.717

sqm/kg (40 sft/kg) for the second coat respectively as per the

manufacturer's specifications. The coverage capacity for "TECHCOAT

61P" (Rubber based polyurethane) or equv, for a smooth surface should

be 4.182sqm/ltr (45 sft/ltr) for the first coat and 4.647sqm/ltr (50sft/ltr)

for the second coat and for a rough surface the coverage should be

3.717 sqm/ltr (40sft/ltr) for the first coat and 4.182sqm/ltr (45sft/ltr)

for the second coat respectively as per the manufacturers specification

at all heights.Total Rs 76,33,294/

Terms & condistions:

1. The above mentioned work will done by our Authorised applicator

M/s SK Engineers, Hyderabad with Dr Fixit Materials with in 1 months

once we receive the WO & Advance at our end.

2. Taxes are extra on the aove mentioned price.

3. Payment: 60% of the WO must be as an advcance , 25% as an RA bills

& balnace after completion of the work.

4. The work order must be on the name of M/s SK Enigneers,

Hyderabad.

4. Cement, Sand, Water , babychips, electricity , bricks & labouraccomodation will be paid by you with the free of cost for this work.

regards

Sreekanth G

ASM CC Projects

Pidilite Industries Ltd

Hyderabad

9849401362

epoxy and esd flooring

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