- 639 - SECTION 723 -- TAPPING EXISTING DRAINAGE AND SEWER FACILITIES
723.01 Description
1.This item shall consist of all work that is necessary to provide openings in the existing drainage or sewer facilities and for new connections into these structures at the locations and to the dimensions specified in the contract or ordered by the Engineer.
723.02 Construction Methods
1.The Contractor shall tap, seal , and connect pipes to pipes and/or structures in a neat and professional manner as shown in the contract.
723.03 Method of Measurement
1.This work will be measured by the each.
723.04 Basis of Payment
1.P a y I t e m P a y U n i t Tapping Existing _____ Each (ea)
2.Payment is full compensation for all work described in this Section. - 640 - SECTION 724 -- INSTALLATION AND REMOVAL OF FLARED-END SECTIONS
724.01 Description
1.As described in the contra ct, the Contractor shall:
a.Furnish and install new flared-end sections. b. Remove, salvage, and reinstall flared-end sections. c. Remove and dispose of flared-end sections.
d.Reinstall Department furnished flared-end sections.
2.Flared-end sections shall be manufactured as integral units so they may be readily installed and joined with the culvert pipe as shown in the contract.
3.The Contractor shall stockpil e and reinstall concrete and metal flared-end sections and bar grates at the locations shown in the contract.
724.02 Material Requirements
1.Metal flared-end sections for culvert pipe shall conform to the applicable requirements of Section 1036 for the diameter of pipe on which they are to be installed.
2.Concrete flared-end sections for use on concrete pipe shall conform to the applicable requirements of AASHTO M 170/M 170M–95, M 206/M 206M-95, or M 207/M 207M-95, for Class II pipe.
3.The Contractor shall not order any flared-end section until a correct list of sizes is provided by the Engineer.
724.03 Construction Methods
1.The Contractor shall excavate and backfill in accordance with the requirements of Section 702.
2.Flared-end sections to be removed and salvaged shall be removed in such a manner as to avoid damage to the flared-end section and the pipe when the pipe is salvaged. The salvaged flared-end sections shall be cleaned to remove accumulations of dirt and debris and stored at a location designated by the Engineer.
3.The Contractor shall install fl ared-end sections in accordance with the requirements of Section 719 or 720, depending on the type of end section.
4.Flared-end sections with bar grates may be removed as a unit; or, at the Contractor's option, the bar grate may be removed before the removal of the flared-end section.
724.04 Method of Measurement
1.A new flared-end section is measured by the each as "_____ inch (mm) _____ Flared-End Section". Included is a new flared-end section and its installation.
2.Flared-end section removal is measured by the each as "Remove Flared-End Section".
3.Flared-end section removal and salvage is measured by the each as "Remove and Salvage Flared-End Section."
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 673–673 of 1,048.