6289 - Sub Porcelain Post Insulators, Statement of Work/ SpecificationsRFP # 6289
EXHIBIT 3
Technical Specifications
Supply of Electric Substation Porcelain Post Insulators
PURPOSE
The City of Denton is providing information that will allow prospective suppliers to prepare submissions to supply of Electric Substation Porcelain Post Insulators. The products will
be received and distributed through a centralized distribution center located at 901B Texas Street, Denton, TX 76209. Orders will be placed as needed over the contract term.
SUBMISSIONS
Submissions shall be provided using the Exhibit 1, with supporting documentation as required. Additional information clarifying the supplier’s product may be attached to their submission.
Pricing shall include all costs to deliver goods as specified in this specification. Any special fees or commissions, and all freight for delivery to the City of Denton Warehouse
and unloading costs must be included in the quoted price. Item pricing shall be mutually exclusive, thus the City of Denton reserves the right to choose the best valued item from different
vendors.
QUALITY CONTROL
The manufacturer shall be responsible for the quality control of the manufacturing processes to assure that all requirements of these specifications are met. However, the City reserves
the right to observe, to inspect and to require additional quality control investigations, either by its personnel or an independently employed quality control investigator, at any
or all stages of fabrication at the manufacturer’s facilities. Failure to adequately maintain fabrication and quality of fabrication until completion shall be grounds for cancellation
of the order or any part thereof.
Field failure or field repairs required due to quality control failures or manufacturing procedures shall be the responsibility of the manufacturer.
WRITTEN WARRANTY and GUARANTEES
Written guarantees shall include any limitations as to the nature of failure or time limitations. The guarantee shall begin upon receipt of the accepted units, not on the date of manufacture.
Guarantees shall indicate whether or not it is made on a full replacement basis or a prorated basis and if prorated then what are the terms. Manufacturer/supplier guarantees that
the goods furnished under this specification are of high quality and agrees to replace any goods found to be defective during inspection, installation, or service for a minimum period
of 12 months after unit is delivered to Denton. All replacements by the manufacturer/supplier shall be free of charge F.O.B. at the same delivery point called for in the original order.
Replacements must be handled in a professional and timely manner and in no case shall a replacement unit take longer than 60 days to arrive in Denton after first being submitted for
replacement.
Respondent guarantees that all products quoted and furnished under this agreement will be accepted at any normally used United States approved repair and warranty shop should one be
available for the manufacturer’s product quoted. The City of Denton will not accept a manufacturer’s product that was rejected or substandard and then sold to a broker for either resale
or scrap that would not be fully warranted by the original manufacturer.
The respondent must be an approved distributor by the manufacturer of these products, and is authorized to sell the products to the City of Denton. The respondent also guarantees that
the City will be represented by the Manufacturer, should an issue arise, and that all manufacturer’s warranties will be in effect for the life of the contract.
SPECIAL DELIVERY REQUIREMENTS
Deliveries shall be made between 8:00 AM -3:00 PM Monday through Friday, excluding holidays to City of Denton Distribution Center, 901B Texas Street, Denton, TX 76209. This location
does have a forklift and dock available for offloading.
TECHNICAL RESPONSIBILITIES AND REQUIREMENTS
Mechanical Requirements
Type
TR227
TR278
TR289
TR222
Color
ANSI 70 Grey
ANSI 70 Grey
ANSI 70 Grey
ANSI 70 Grey
ANSI 70 Grey
Height (in.)
15
30
54
54
10
Minimum creep (in.)
24
72
116
116
10.5
Bolt circle (in.)
5
5
5
7
5
Cantilever strength (lb.)
4,000
3,000
2,200
4,100
4,000
Tension strength (lb.)
20,000
25,000
25,000
40,000
15,000
Torsion strength (lb.)
16,000
40,000
90,000
120,000
12,000
Compression strength (lb.)
20,000
60,000
75,000
120,000
20,000
Electrical Requirements
Critical impulse flashover (pos., kV)
170
390
710
710
105
Low frequency wet withstand (kV)
60
145
275
275
30
Minimum BIL (kV)
150
350
650
650
95
Radio Influence Requirements
RIV test voltage (kV RMS L-G)
60
44
88
88
5
RIV maximum (µV at 1000 Hz)
100
200
200
200
50
Equivalent Lapp catalog number
SDJ-315227-70
SDJ-315278-70
SDJ-315289-70
SDJ-314857-70
SDJ-315222-70
Equivalent NGK Locke catalog number
PH01510
PH03510
PH06510
PE06510
PH00910
Equivalent Victor catalog number
1768
1765
17PA26
16PA38
1766
Equivalent Ohio Brass catalog number
2326863001
2323363001
2323383001
ACCEPTABLE MANUFACTURERS
DME will only accept submissions from specific manufacturers listed in the approved manufacturers list below.
Lapp
NGK Locke
Victor
Ohio Brass
The City has implemented a pre-approval process for substitution commodities and services. The commodity approval form can be obtained via email (laura.hermosillo@cityofdenton.com).
Supporting documentation or samples must be submitted for review by Purchasing, Engineering, field crews, QAG (Quality Assurance Group), and the manager of DME. Testing may be required
and may take substantial time to review. Vendors are encouraged to submit forms and samples for consideration on the next solicitation for similar items.