4 installing enclosure on pre-cast pad, 0 installation, continued – Alpha Technologies FlexNet PMR, GMR Series User Manual
Page 29

031-239-C0-003 Rev C
29
Fig. 3-8, Layout for Precast Pad, Single-wide for GMR Series Enclosures
Alpha P/N 641-112-10
.000
10.00
10.75
14.75
10.50
4.75
.000
1.
50
2.
50
3.
00
23.
0
0
24.
0
0
29.
0
0
10.
0
0
0.500
7.500
27.
0
0
2.50 DIA
THRU
A
A
3.
00
7.
5
44.00
3/8-16 UNC
THREADED INSERT
4 PL
Section A-A
3.0 Installation,
continued
3.4 Installing Enclosure on Pre-cast Pad
Alpha offers a Polymer Precast Pad option to speed installation of a GMR series enclosure.
To install the precast pad, prepare a layered bed of sand and gravel before placing the pad
on top. For specific information, consult the instructions that accompany the precast pad. The
dimensioned drawing below applies to the precast pad mentioned, but can also be used to
lay out a pour-in-place concrete pad. An optional vapor barrier (p/n 564-990-10), or rubber
pad vapor barrier (p/n 641-123-10) may be used as a template.