- 201 - SECTION 406 -- PULL BOXES
406.01 Description
1.The Contractor shall construct pull boxes of the size, type, and at the locations shown in the contract. A spare bend, if required, shall be installed in the pull box as shown in the contract. This shall include furnishing and installing the pull box, spare conduit bend, grounding connectors, clean coarse gravel, and all excavation, backfilling, compaction, labor, equipment, tools, and incidentals required to complete the work.
2.The Contractor shall relocate pull boxes as shown in the contract. A spare bend, if required, shall be instal led in the relocated pull box as shown in the contract. “Relocate Pull Box, Type PB _____” shall include removing the existing pull box and spare conduit bends: installing the pull box at the new location: tapping into existing conduit and extending conduit to the relocated pull box; furnishing and installing spare conduit bends, grounding connectors, ground rods, if required, cl ean coarse gravel; and all excavation, backfilling, compaction, labor, equipmen t, tools, and incidentals required to complete the work.
406.02 Material Requirements
1.Pull boxes shall conform to the requirements shown in the contract.
2.Pull boxes shall be on the Depa rtment’s Approved Products List.
3.Fill material shall be a Class B fine aggregate for concrete as shown in Table 1033.02A. Crushed li mestone will not be acceptable.
406.03 Construction Methods
1.Pull boxes shall not be constructed in ditch bottoms, low areas where ponding of water may occur, or where they will be subjected to vehicular traffic.
2.Pull boxes shall not have concrete bottoms.
406.04 Method of Measurement
1.Pull boxes and relocated pull boxes shall be measured by the each.
406.05 Basis of Payment
1.Pay Item Pay Unit Pull Box, Type _____ Each (ea) Adjust Pull Box to Grade, Type ____ Each (ea) Relocate Pull Box, Type _____ Each (ea) 2. Payment is full compensation for all work described in this Section. - 202 - SECTION 407 -- POLE AND TOWER FOUNDATIONS
407.01 Description
1.Concrete Foundations (Conventional and High Mast, Traffic Signal, and ITS devices):
a.Concrete foundations for poles and towers shall be of the size and type shown in the contract. Foundations shall include a ground rods, reinforcing steel, anchor bolts, conduit entrance bends, and a spare conduit bend.
b.If the foundation details are not shown in the contract, the Contractor shall obtain the necessary soil data, design the foundation according to the soil test data, and construct the foundation. Two copies each of the soil test data and foundation design must be submitted to the Engineer two weeks before construction of the foundation will be allowed to begin.
c.The concrete foundation must be designed by a Professional Engineer registered in Nebraska. The Professional Engineer must stamp and sign all design documents.
2.Power Installed Foundations: Power installed pole foundations may only be used when specified in the contract. Power installed foundations shall be of the size and type shown in the contract.
407.02 Material Requirements
1.Materials for use in concrete foundations shall conform to the requirements of Sections 1002 and 1020.
2.Anchor bolts shall conform to the requirements in Section 1073.
407.03 Construction Methods
1.Staking:
a.The Engineer will stake the locations of all pole and tower foundations. Before constructing a foun dation, it will be the Contractor's responsibility to verify that the staked location will not place the finished pole or tower in an overhead or underground conflict situation.
b.Any locations or elevations that appear unreasonable or in conflict with specifications should be br ought to the attention of the Engineer. The Engineer will review and decide any changes in location or elevation.
2.Conventional Light Poles: The C ontractor shall construct the size and type of foundations sh own in the contract.
3.High Mast Towers, Traffic Signal Poles, and ITS devices: The Contractor shall construct foundations according to the design details shown in the contract or to those the C ontractor has been required to furnish.
4.Concrete foundations for both pole and tower installations shall be constructed according to the following:
a.All foundation excavations shall be free of loose dirt.
b.All concrete shall be Class 47B-3000 (47B-20). c. The anchor bolt pattern sha ll be centered in the foundation.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 235–235 of 1,048.