Scribd
Upload
426 views2 pages

Poles Inspection Report

The inspection team inspected transmission line poles for a 36 kW micro-hydropower plant in Bagaria Khwar on September 27, 2016. The poles met all technical specifications for length, diameter, wall thickness, and load resistance. Stay wires also met specifications. Overall, the transmission poles, stay wires and accessories were found to be in good condition with some minor recommendations around labeling, earthing, and painting. The inspection concluded that the poles and wires were suitable for use.

Uploaded by

saeed
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
426 views2 pages

Poles Inspection Report

The inspection team inspected transmission line poles for a 36 kW micro-hydropower plant in Bagaria Khwar on September 27, 2016. The poles met all technical specifications for length, diameter, wall thickness, and load resistance. Stay wires also met specifications. Overall, the transmission poles, stay wires and accessories were found to be in good condition with some minor recommendations around labeling, earthing, and painting. The inspection concluded that the poles and wires were suitable for use.

Uploaded by

saeed
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 2

Development of Hydro power and Renewable Energy(HRE)

Project in Khyber-Pakhtunkhwa (PhaseI)

Inspection Report of LV Pole


36 KW MHP Bagaria Khwar
Inspection of Transmission Line poles of 36 kW MHP BagariaKhwar carried out on dated
September 27, 2016 at Khani Khel workshop Texila. The inspection team comprised of PPAF,
INTEGRATION and NRSP engineers.
Item wise inspection remarks and observation in the Transmission line pole as per technical and
contract specifications are as enlisted below;

Transmission Line Pole


Item

Required

Offered

Inspection Remarks

Overall Length (m)

7.00

As Required

OK

Planting depth (m)

1.25

As Required

OK

Height above ground (m)

5.75

As Required

OK

As Required

OK

As Required

OK

As Required

OK

Section Length (m):


1. Top (h1)
2. Middle (h2)
3. Bottom (h3)

1.70
1.70
3.60

Outside Diameter (mm):


1. Top (h1)
2. Middle (h2)
3. Bottom (h3)

114.30
88.90
76.10

Wall thickness (mm)


1. Top (h1)
2. Middle (h2)
3. Bottom (h3)
Breaking load (N)
Crippling load (N):

5.40
5.40
5.40

4,750

As Required

3,370

As Required

Working load (N)

As Required
1,690
1,900

Approximate weight (kg):


Application of load from top
of pole (m):
Load for permanent set
not exceeding 19 mm (N)
Load for temporary
deflection of 157.5 mm (N)

87
0.30
2,300

990

As Required

OK

As Required
As Required

OK

Development of Hydro power and Renewable Energy(HRE)


Project in Khyber-Pakhtunkhwa (PhaseI)

Stay wire
Size of Stay-wire:
Diameter of Individual Wires
- Nominal
- Maximum
- Minimum
Nominal overall diameter of stranded staywire
Minimum ultimate tensile strength of
individual wires

7/16 SWG As Required


20.0 mm
As Required

OK
OK

20.1 mm
19.9 mm

40.2 mm

As Required

OK

687 N/mm As Required

Maximum tensile strength of individual wires


Minimum elongation at rupture before
stranding
Wrapping test for ductility: Turns on and off
its own diameter
Lay ratio of finished strand
Minimum weight of zinc coating before
stranding
Minimum weight of zinc coating after
stranding
Length of wire in finished coil:
- Standard
- Maximum
- Minimum
Stay Wire Guy hooks

834 N/mm As Required


4.25 %
2
8

As Required

OK

As Required

OK

19 to 21

As Required

OK

260 g/m

As Required

2542g/m

As Required

2m
100
105
95 m

As Required

As per WAPDA standard

General Observations and Remarks:


1.
2.
3.
4.
5.

For stay wire selection, Please follow the Contract specifications.


Label and plate of each Pole should be display.
Earthing point of the poles shall be included.
Red Oxide and paint will be inspect on site.
In supporting material I-type hook will be prefer.

Conclusion:
Overall Transmission Pole, Stay wire and accessories are ok
S#
1

Name
Mr. Muhamad Ilyas

Designation
Assistant Manager

Organization
PPAF

Mr Muhammad Saeed Electrical Engineer

PPAF

Mr. Nasir Iqbal

Project Manager

NRSP

Mr. Fazlullah

Site Engineer-Electrical

NRSP

Mr. Maqbool Hussain

Electrical Engineer

INTEGRATION

Mr. Gorge

Electrical expert

INTEGRATION

Signature

Gorge

You might also like