E. look take
a look at Reports: offer (2) copies every of look take a look at reports for
system.
F. Controller Charts:
1. Prepare a
map diagram showing location of all valves, mainlines, the route of management
wiring and therefore the supply of electrical power offer. determine all valves
on size AND gate range. Submit diagram to the Owner for approval. As-built
drawings should be approved by the Owner before charts ar ready.
2. offer
controller charts for every Field management Module (FCM) put in, showing the
realm lined by the FCM, and therefore the most size the FCM enclosure door can
accommodate. The chart is to be a drawing of the particular as-built system,
reduced to a size which will be decipherable once reduced.
3. The chart
are going to be blackline print with a distinct color accustomed indicate areas
controlled by every circuit. once completed and approved, the chart shall be
hermetically sealed between 2 (2) items of plastic, every bit being a minimum
of twenty mils thick. The chart should be completed and approved before the
ultimate examination of the irrigation system.
4. The chart
shall be mounted to the within of the FCM enclosure door victimization AN approved
mastic or fastening system.
G. FCM operative Program:
1. total
thoroughly a whole operative program for the FCM, together with station
operation period and sequencing, supported the standards provided within the
approved look drawings and therefore the style analyses, in consultation with
Owner landscaping staff.
PART two - merchandise
2.1 MATERIALS
A. the utilization of a manufacturer's
name and model or catalog range is barely for the aim of building the quality
of quality. alternative merchandise are going to be thought-about as equal by
the Owner.
B. Electrical material and
instrumentality shall be designed or elite for the positioning conditions as
per Section 16010.
2.2 CONTROL
SYSTEM
A. Field management Modules (FCM) shall
be automatic irrigation, solid state data processor controllers housed during a
weather proof, lockable cupboard and mounted on a lockable pedestal. Controller cupboard and pedestal shall be
corrosion resistant epoxy painted steel with steel hinged doors and
master-keyed locks (see Paragraph two.12).
B. every FCM shall have the subsequent
options and characteristics:
1. 4, 8, 12,
16, twenty four or thirty two stations with temporal order capability of zero -
ninety nine minutes (in 1-minute increments) or
0-9.9 hours (in zero.1 hour increments) per station. Stations shall have
multi-valve operation capability for up to four (4) 24-volt AC magnet valves
and shall have freelance station programming.
2. Consecutive
station operation with automatic starts of up to four (4) per day for every
station. The programming schedule shall
be primarily based upon a variable 8-day cycle for each day, each alternative
day, each third day, etc. Single station
operation, station advance key, and manual override operation shall be
provided.
3. Water
budgeting system whereby the temporal order for all stations could also be
varied from twenty fifth to three hundredth (in twenty fifth increments) of the
set program for all stations, with one programming entry.
4. Remote
master management capability such all FCMs could also be joined (in the future)
to a centralized master programming controller.
5. Electrical
Characteristics: Input needed – 127 V
AC, sixty Hz; output - twenty six.5 volt, 60 Hz, 1.5 A; fuse - one.5A holding,
2.5A break; U.L. listed and tested.
Controller shall have primary lightning electrical surge protection.
6. equipment
failure program-protection backup shall be provided by a (rechargeable) storage
battery and trickle charging electronic equipment to take care of the
irrigation program for up to twenty four hours throughout primary equipment
failure. Controller shall even have a
built- in watering schedule to control every station double per day (12 hours
apart) for five minute period once the irrigation program is lost thanks to
extended equipment failure.
C. Field management Modules (FCM) shall
be Model ESP-ML sort by Rain Bird mechanical device producing Corporation or
approved equal.
D. FCM pedestal shall be PED sixteen or
24/32 by Rain Bird mechanical device producing Corporation, or approved equal.
2.3 SITE
PIPING SYSTEM MATERIAL
A. Individual sorts of pipe, hose, and
fittings provided ar to be of identical manufacturer unless otherwise approved.
B. All pipe shall be freed from blisters,
internal striations, cracks, or the other defects or imperfections. The pipe shall be unceasingly and for good
marked with the manufacturer's name, material sort, size, schedule or category,
and internal control identifications.
All inject and lateral pipe shall be manufacturing plant colored white
for non- potable line identification.
C. Pipe, Sleeves, and Fittings:
1. Pipe, and
fittings and bell adapters shall be category V, vinyl polymer (PVC), as per
Section 02622. Association bolts shall be sort 316 chrome steel or approved
equal.
2. Wash
entire interior surface and firmly seal ends of all offer piping before
shipping.
3. Sleeves
shall be category III and 2 nominal sizes larger than the pipe being sleeved.
D. Pipe association Materials:
1. Adhesive
solvent, primer, and lubricating substance, as counseled by the manufacturer.
2. Joint
compound for rib connections: PTFE tape;
or approved equal.
3. All cans
of solvents and primers shall have labels intact and shall be sealed with the
date of manufacture. No cans dated over
2 years previous are going to be allowable.
4. No dilution
of solvent or primer in any manner some are going to be allowable.
5. Bolt-up
Sets: All bolts shall be sort 316 chrome
steel, size and length pro re nata.
Gaskets shall be as counseled by instrumentality, pipe, and fitting
makers.
E. Miscellaneous:
1. Non-metallic Nipples: category V
vinyl polymer (PVC).
2. versatile
Nipples: factory-made from virgin vinyl polymer (PVC) materials. versatile hose
shall accommodates ASTM D2287, Class V.
PVC fittings shall accommodates ASTM D2466. once tested at one.37 MPA
(200 psi) static pressure for two hours at 21°C (70°F), fast burst pressure take a look at shall exceed two.75 MPA (400
psi). See details for configuration, IPS
size, and length dimension. offer versatile nipples as factory-made by
Excaliber Plastics, or approved equal.
3. bimetallic
Nipples: Schedule forty guinea gold in
correspondence with ASTM B43; normal pipe size, rib each ends.
No comments:
Post a Comment
Please do not enter any spam link in the comment box