Home-installed hydropower construction plans are collectively referred to as building water supply and drainage construction drawings and building electrical construction drawings, and are the main basis for determining project cost and organization construction. Hydropower construction is one of the most important items in home improvement. Therefore, many people want to check the construction projects themselves, but unfortunately they can't read the water supply diagrams for home improvement, so today Xiaobian will teach everyone how to read Construction of this level.
How to look at water and electricity drawings
1. The significance of various symbols on the drawings of hydropower
SC: welded steel pipe
PC: PVC polyethylene flame retardant plastic tube
CT: Bridge
MR: metal trunking
PR: Plastic trunking
WC: Dark Laying Along the Wall
WS(WE): laying along the wall
CC: Dark laying along the top plate
F: Concealed in the floor
CE: along the top plate
SCE: In the ceiling
YJV: Cable
SYV: TV line
PE: ground (yellow-green phase)
PEN: Zero (blue)
3 phase line (FireWire): Item A (Yellow) Item B (Green) Item C (Red)
KV: (Voltage) kV
BV: PVC single-layer plastic wire
BVV: PVC double plastic wire
MEB: total equipotential
LEB: Local Equipotential
2, line laying method code
PVC - laying with flame-retardant plastic tubes
DGL - laying with electrical steel pipe
VXG - laying with plastic trunking
GXG - laying with metal trunking
KRG - Laying with Flexible Plastic Pipes
3, line dark application area code
LA - hidden in the beam
ZA - dark inside the column
QA - dark in the wall
PA - hidden in the roof or ceiling
DA - hidden in the ground or floor
PNA - dark in ceilings that cannot be accessed
4, lighting installation code
D - ceiling
L - chain hanging
G———pipe hanging
B - Wall mounted
R———Embedded
BR———Installation in the wall
5, lighting fixtures marking method
a--Number of lamps
B--model or number
c - Number of light bulbs per lighting fixture
D--bulb capacity, W
E--bulb installation height, m
f--Installation
L - light source type, incandescent or fluorescent
The above is the description of the related contents of the water and electricity drawings. I hope to help you. For more information on hydropower drawing, please continue to pay attention to the information on this website.
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