BHARAT HEAVY ELECTRICALS LIMITED, TIRUCHIRAPALLI
OUTSOURCING
Check List for Spot Visit - Blast Cleaning and Painting
428/004; 01.02.2017
Doc No: SVCL:028/01 dated 28.06.2016
Vendor Name and Address:
Spot assessment date:
Part-A (Mandatory)
Sl No Parameter for evaluation Minimum Required As given by Firm Actual observed in Audit Remarks Ok/Not Ok
1 Blasting facilities a. Centrifugal * (electrically
operated) or Compressor - 1 No.
with Flow: minimum 250 CFM, Air
outlet pressure: 7 Kg/cm2,
b. Oil separator / Water separator
(inbuilt in compressor or separate
unit)
c. Blasting nozzles with throat size
of min 7 mm (Venturi or Straight
bore and 45 deg taper type along
with taper gauge to check nozzle
size)
* - centrifugal setup must be with
electrical motors & auxiliaries in an
arrangement to obtain a blasting
finish of SA 2.5 with profile
roughness of 30-50 micron.
For centrifugal setup, blasting
chamber size shall be 1500 x 1500
mm2 (minimum)
2 Abrasive media for blasting Cu. Slag/Steel Shots/Steel grits
SVCL: 028/01_Blasting Painting SUPPLIER'S AUTHORISED SIGNATURE AND SEAL
Sl No Parameter for evaluation Minimum Required As given by Firm Actual observed in Audit Remarks Ok/Not Ok
3 Availability of Pictorial Std NACE or ISO 8501-1
for blasting profile and for
rust grades
4 Shade Card As per IS 5 (eg: Shade no: 176, 692,
etc)
5 Land area 1 acre (for firms applying
exclusively for blasting & painting).
6 Covered shed 1 No. L = 12m, H x W = 6x4m with
suitable exhaust arrangement
(with minimum two sides covered
apart from roof)
(Exclusive for blasting / painting)
7 Handling Facility EOT / Mobile Cranes - 12 MT min /
as per job requirement (Mobile
crane may be owned or leased)
8 Blotter testing facility to 1 No. (Test kit)
check quality of compressed
air
9 Airless spray equipment Minimum pressure ratio - 1:75
with suitble nozzles (eg. 2xx,
3xx, 4xx, etc)
10 Powered agitators (Electrical 1 No.
or pneumatic) for proper
mixing of paints
11 Paint filters 80-100 micron (Nylon mesh /
Muslin cloth)
SVCL: 028/01_Blasting Painting SUPPLIER'S AUTHORISED SIGNATURE AND SEAL
Sl No Parameter for evaluation Minimum Required As given by Firm Actual observed in Audit Remarks Ok/Not Ok
12 Solvents used for degreasing Organic solvent / Alkaline cleaner
13 Measuring instrument for Surface Profile meter (0-100)
surface roughness (Elcometer)- 1 No.
14 For measurement of Digital measurement of RH / whirl
temperature for dew point type (dry bulb, wet bulb, RH chart)
& Relative Humidity (RH)
15 For measurement of metal Thermocouple - Contact type /
temperature Laser type
16 Coating thickness gauge For wet film thickness - Comb
gauge - 1 No. and
For dry film thickness - DFT Meter -
1 No. (0-500 micron) (Elcometer/
Defelsko)
17 Qualified/Certified painter 1 Person
18 Certified personnel for 1 Person
surface coating inspection
19 Adhesion test: Cross / X-Cut 1 set
test as per ASTM D3359
with pressure sensitive tape
20 Surface cleanliness check 1 set
for dust: Tape Test
21 Surface contamination 1 set
check instrument
(any method to identify salt
contamination)
SVCL: 028/01_Blasting Painting SUPPLIER'S AUTHORISED SIGNATURE AND SEAL
Sl No Parameter for evaluation Minimum Required As given by Firm Actual observed in Audit Remarks Ok/Not Ok
22 Log book Record book
23 Lab / Separate room to 1 No.
store all analytical gauges,
measuring devices and
consumables.
24 Safety appliances / masks For all personnel engaged
for spray painting and other
PPEs
Part-B ( Optional )
01 Stand-by Generator Facility
02 Effluent facility and
certificate
Part-C: Final Recommendation (for BHEL use only)
Recommendation after document verification:
Recommendation after spot assessment:
Auditor-1 (Spot assessment): Auditor-2 (Spot assessment):
Important Notes :
01 Part-A requirement is a must for qualifying the vendor. Hence, filling up all evaluation parameters is a must and shall be available at the time of spot visit
02 Part-B is only optional and need not be considered for disqualifying the vendor.
SVCL: 028/01_Blasting Painting SUPPLIER'S AUTHORISED SIGNATURE AND SEAL
