7195 Reinforced Concrete Pipe Technical SpecificationsRFP 7195 Technical Specifications Reinforced Concrete Pipe
Technical Specifications
RFP # 7195
Supply of Reinforced Concrete Pipe, Precast Reinforced Concrete Box Culverts,
Precast Safety End Treatments for Reinforced Concrete Pipe
and Sloped End Sections for Reinforced Concrete Pipe
The scope of work shall be finalized upon the selection of the Firm. The respondent’s submission shall
have accurately described your understanding of the objectives and scope of the requested products and
services and provided an outline of your process to implement the requirements of the Scope of Work and
Services. It is anticipated that the scope of work will include, at a minimum, the following:
I.Purpose
The City of Denton is providing information that will allow prospective suppliers to prepare
submissions to supply reinforced concrete pipe, precast reinforced concrete box culverts, precast
safety end treatments for reinforced concrete pipe and sloped end sections for reinforced concrete
pipe. The products will either be delivered to the City of Denton Service Center located at 901-A
Texas Street, Denton, TX 76209 or they will be delivered to a specific project work site within the
City of Denton City Limits as requested on a case-by-case basis.
II.Specifications of Products listed in the Pricing Sheet
Section A and B: Reinforced Concrete Pipe (RCP) Specifications:
The pipe for this bid item shall meet the October 2004 edition of the North Central Texas Council of
Governments Public Works Construction Standards (NCTCOG 2004 Edition) specifications for
Reinforced Concrete Pipe, Section 501.6.1. The City of Denton would prefer the bell and spigot joints
with the rubber gasket when available. The concrete pipe is being bid for Class III and Class IV for
the unit pipe sizes that will most likely be used. ASTM C655-15 for D Loading designs that prove that
Class II over Class III or Class III instead of Class IV may be used if proposed by the pipe
manufacturer’s calculations and approved by the City of Denton. The City of Denton will make the
final determination on the material for each project. The unit price shall include the Ram-Nek,
approved rubber gasket, or approved joint sealant for joining the pipe sections.
Section C and D: Precast Reinforced Concrete Box Culverts Specifications:
Box culverts being bid are specified by span x rise. The box culverts being bid for use are standard
sizes the City of Denton has used in the past or are expected to be designed on a regular basis. Standard
box culverts with greater than 2’ of cover are one unit bid type and those classified as direct drive box
culverts with less than 2’ of cover are the other unit bid type. NCTCOG 2004 Edition Item 501.6.2
RFP 7195 Technical Specifications Reinforced Concrete Pipe
and TXDOT Bridge Standards for Precast Single Box Culverts shall be used to form and construct the
box culverts.
Section E: Precast Safety End Treatments for Reinforced Concrete Pipe Specifications:
The safety end treatment sections for this bid item shall utilize NCTCOG 2004 Edition Class “C”
concrete as a minimum (3600 psi at 28 days). Steel reinforcement shall be as required by ASTM A615-
16 or ASTM A1064-16. Pricing shall be for one barrel only. NCTCOG 2004 Edition Item 501.6.1 and
TXDOT Bridge Standards for Precast Safety End Treatment Type II Cross Drainage (CD) and Precast
Safety End Treatment Type II Parallel Drainage (PD) shall be used to form and construct the safety
end treatments. Items including the term “CD” indicate cross runner bars are included in the safety
end treatment section. Items including the term “PD” indicate parallel runner bars are included in the
safety end treatment section.
Section F: Sloped End Sections for Reinforced Concrete Pipe Specifications:
The pipe sections for this bid item shall meet the NCTCOG 2004 Edition specifications for Reinforced
Concrete Pipe, Section 501.6.1 and shall either be Class III or Class IV. The cut away portion of the
pipe end sections shall be sloped to either 3:1, 4:1 or 6:1. The unit price shall be for the entire sloped
end section regardless of the number of joints or segments required to construct the end section. The
unit price shall include the Ram-Nek, approved rubber gasket, or approved joint sealant for joining
the pipe sections.
III. Product Delivery
Delivery Method:
Products purchased under this agreement shall be shipped by truck to the delivery location specified
by the City of Denton. Proposals for rail shipment will not be accepted. All shipments shall be
F.O.B. to the destination in Denton, Texas. All pricing shall include all costs to deliver the products
as specified F.O.B. destination.
Delivery Location:
The products will either be delivered to the City of Denton Service Center located at 901-A Texas
Street, Denton, TX 76209 or they will be delivered to a specific project work site within the City of
Denton City Limits as requested on a case-by-case basis. The City reserves the right to change the
exact delivery location in Denton, TX for the products up to the time of arrangement for shipping. No
allowance will be made for cost differences resulting from any destination change.
Notice:
The City will provide minimum 30 calendar days of notice to the supplier prior to the expected product
delivery date. Suppliers will deliver products to the specified location within 30 calendar days of the
City of Denton purchase order for each expected shipment.
RFP 7195 Technical Specifications Reinforced Concrete Pipe
Delivery Times:
Delivery of products will be accepted by the City of Denton between 7 AM and 4 PM Central Time,
Monday through Friday, excluding holidays.
Damaged or Defective Products:
Products that are obviously damaged on arrival will be refused. Any necessary action regarding
replacement of products delivered in an unacceptable condition shall be the responsibility of the
supplier. This includes concealed freight damage as well as items defective from the manufacturer.
Upon notice from the City of Denton, the supplier shall take immediate action to replace any products
found damaged during shipment.
Unloading:
The City of Denton will furnish labor and equipment for off-loading of products if necessary.