volume ii technical specifications &...

TENDER DOCUMENT

TENDER NO.: DLI/C&E/WI-675/297

FOR

Tender for Supply of “Conveyor Pulleys” for the Project of “Augmentation of Fuel & Flux Crushing Facilities (Package

No. – 064)” for Bhilai Steel Plant at Bhilai, Chhattisgarh”

VOLUME – II

TECHNICAL SPECIFICATIONS & DRAWINGS

ENGINEERING PROJECTS (INDIA) LIMITED (A GOVT. OF INDIA ENTERPRISE)

Core-3, Scope Complex, 7, Institutional Area, Lodhi Road, New Delhi-110003

TEL NO. 011-24361666 FAX NO. 011-24363426 Email: [email protected]

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TECHNICAL SPECIFICATIONS & DRAWINGS

1.0 TECHNICAL SPECIFICATIONS

Pulley diameter shall be selected as per IPSS. All pulleys shall be of welded steel construction. All welds shall be properly stress relieved and Pulleys are to be statically balanced to minimize the vibration during running. All pulley shafts shall be key fitted.

Drive Pulley - 12mm thick rubber lagging (diamond), hardness 55° (min.) shore A

scale. Pulley shell thickness 16mm minimum.

Tail/Bend/Take-up Pulley - 10mm thick plain rubber lagging hardness 45° (min.) shore A scale. Pulley shell thk. 12 mm. (min.)

Pulley face width - As per IS: 8531 - 1986 (Re-affirmed 1998).

Pulley grooving width & depth shall be 6 mm at 30 mm interval.

Deflection of drive pulley shaft at Pulley Hub shall not exceed 1/2000.

All Pulley shaft - up to 100 mm dia. Class-IV, IS: 1875-1992, more than 100 mm dia shall be heat treated (class-4 normalised) Forged steel, 45C8, IS: 2004-1992.

Bearing: Self-aligning double row spherical roller bearing with adapter sleeve. Life

- 40,000hrs.

Plummer Block - Material of Plummer Block shall be of cast steel IS: 1030, Grade- 280-520W (min).

2.0 PULLEYS SCHEDULE

S. No. Conveyor No. Type Quantity

A DRIVE PULLEY

1 Conv. C-106A DRC 1

2 Conv. C-107A DRD 1

3 Conv. C-107B DRH 1

4 Conv. C-111A DRH 1

5 Conv. C-104 DRI 1

6 Conv. C-110A DRJ 1

7 Conv. C-112A DRK 1

8 Conv. C-113A DRK 1

9 Conv. RC-CK2 DRH 1

10 Conv. RC-106 DRI 1

11 Conv. L-114A DRB 1

12 Conv. RSC L-106 DRE 1

13 Conv. L-111A DRF 1

14 Conv. RSC L-118 DRG 1

15 Conv. L-105 DRL 1

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B TAIL PULLEY

1 Conv. C-106A NDC 1


3 Conv. C-107B NDB 1

4 Conv. C-111A NDB 1

5 Conv. C-104 NDB 1

6 Conv. C-110A NDB 1

7 Conv. C-112A NDD 1

8 Conv. C-113A NDD 1

9 Conv. RC-CK2 NDI 1

10 Conv. RC-106 NDE 1

11 Conv. L-114A NDA 1

12 Conv. RSC L-106 NDF 1

13 Conv. L-111A NDC 1

14 Conv. RSC L-118 NDG 1

15 Conv. L-115 NDC 1

16 Conv. L-120 NDH 1

C TAKE-UP PULLEY

1 Conv. C-106A NDA 1


3 Conv. L-114A NDA 1

D SNUB PULLEY

1 Conv. C-106A NDK 1


3 Conv. C-107B NDL 1

4 Conv. C-111A NDL 1

5 Conv. C-104 NDL 1




9 Conv. RC-CK2 NDL 1

10 Conv. RC-106 NDL 1

11 Conv. L-114A NDK 1

12 Conv. RSC L-106 NDN 1

13 Conv. L-111A NDK 1

14 Conv. RSC L-118 NDO 1

15 Conv. L-105 NDM 1

E BEND PULLEY

1 Conv. C-106A NDJ 2


3 Conv. L-114A NDJ 2

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F DEFLECTOR PULLEY

1 Conv. C-104 DPA 1

2 Conv. RC-106 DPA 1

3 Conv. L-111A DPA 1

4 Conv. L-120 DPA 1

G BELT CHANGING PULLEY

1 Conv. C-106A DPA 4


3 Conv. C-107B DPA 4


5 Conv. C-104 DPA 2




3.0 DRAWINGS OF CONVEYOR PULLEY

The Conveyor Pulleys will be manufactured as per the following GA drawings.

S. No.

Drawing Number Rev Description

1. BSP-EPI-02-064-02-009-55-DE-00601 (Sheet 08, 09 & 10)

2 General Arrangement of Drive & Non-Drive Pulley for FFCSF

2. BSP-EPI-02-064-02-009-55-DE-00602

(Sh 04 to 05)

1 General Arrangement of

Deflector Pulley for FFCSF

In addition to above drawings, IPSS and General Technical Specification of MECON may be referred for additional details.

Bought out items shall be as per approved makes of MECON/BSP for Package 064.

21.04.2017

volume ii technical specifications &...

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