Bid Package 08 North Well Field - Garney Construction

further protect against dust, moisture, and a chemical degradation. The windings
shall comply with the latest applicable provisions of NEMA MG1.
9. Motors shall have a clamp-type grounding terminal inside the motor conduit box.
10. Motors with external conduit boxes shall have oversized conduit boxes.
11. Maximum starting current shall be per NEMA MG1, Class H.
12. Efficiency shall be per NEMA MG1 for Premium efficiency motors.
13. Minimum insulation shall be Type F.
14. Motors shall be random wound with copper coils.
15. Motors located in a hazardous location shall be rated for the appropriate classification.
B. It is intended that the Supplier use his standard motor on integrally constructed motor
driven equipment such as appliances, hand tools, etc., which would otherwise require
redesign of the complete unit in order to provide a motor having the specified features.
C. Unless otherwise required by the detailed equipment specifications, motors within the
horsepower ranges indicated below shall be rated and constructed as follows:
1. Below 1/2 HP:
a. 115 volt, 60 hz, single-phase.
b. Dripproof in clean and dry locations; TEFP in all other locations.
c. Permanently lubricated sealed bearings.
d. Built-in manual-reset thermal protector; or furnished with integrally mounted
stainless steel enclosed manual motor-overload switch.
2. 1/2 to 1 HP:
a. 230/460 volt, 60 hz, three phase.
b. Dripproof in clean and dry locations; TEFC in all other locations.
c. Permanently lubricated sealed bearings.
3. 1-1/2 HP and Above:
a. 230/460 [208] volt, 60 hz, three phase.
b. Dripproof in clean and dry locations; TEFC in all other locations.
c. Oil or grease lubricated anti-friction or oil lubricated sleeve bearings.
d. Vertical motors shall have fifteen year average life thrust bearings.
D. Motors with horsepower ratings of 15 horsepower or greater shall be provided with space
heaters to operate on 120 volt single-phase service.
2.03 EQUIPMENT APPURTENANCES
A. Cover belt or chain drives, fan blades, couplings, and other moving or rotating parts on all
sides by a safety guard.
1. Fabricate safety guards from 16 USS gage or heavier galvanized or aluminum-clad sheet
steel or 1/2" mesh galvanized expanded metal.
2. Design guards for easy installation and removal.
3. Provide galvanized supports and accessories for each guard.
4. Provide stainless steel bolts and hardware.
5. Provide safety guards in outdoor locations designed to prevent the entrance of rain and
dripping water.
2.04 ANCHOR BOLTS
Product Requirement – Bid Package #8 01 60 00-4
Colorado River Municipal Water District
Ward County Water Supply Expansion Project – North Well Field
5/24/2012