851.1Description.
This work consists of providing and installing or relocating aluminum lighting standards with single or double davit arms and breakaway transformer bases.
851.2Materials.
A.Submersible Breakaway Connector Kits Section 832 or 1074 B.H-taps, C-taps, Butt Splices Section 832 or 1074 C.Anchor Bolts, Galvanized Section 1039
D.Fasteners Section 1044
E.Aluminum Castings, Alloy 356-T6 Section 1044
F.Anchor Base Plate, Aluminum Alloy 6000 Series Section 1044
G.Lighting Pole and Davit Arm, Aluminum Alloy 6063-T6
1.Submit Catalog Cuts, Drawings, and Manufacturer’s Specifications.
H.Conduit Section 1062
I.Pole ID Tag, Clear Anodized 1/16-inch thick Aluminum
J.Transformer Base, 356-T6 Cast Aluminum Alloy:
1.Breakaway in Accordance with NCHRP report 350 or MASH testing criteria.
2.Submit FHWA acceptance letters documenting satisfaction of NCHRP Report 350 or MASH crash
testing requirements.
K.Lighting Standard
1.Meeting or exceeding the requirements of the latest edition of the AASHTO “Standard
Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals.”
2.Tapered aluminum shaft, with a base welded to the lower end.
3.Pole shaft, pole extensions, and davit arms spun from 1 piece of seamless tubing.
4.With internal vibration dampening device positioned approximately 2/3 of the height of the
pole.
5.Extrude strut and arm plates.
L.Electrical materials in accordance with the NEC of the NFPA, and all local and special laws and
ordinances governing such installations.
851.3Construction.
A.Lighting Standard.
1.Submit computations signed and sealed by a professional engineer licensed in the State of
Delaware in accordance with AASHTO specifications with year of the edition specified.
2.Install permanent pole ID tag, with smooth edges and rounded corners, to fit the light pole
shaft.
3.Secure ID tag to shaft using 4 1/8-inch diameter, 18-8 stainless steel round head drive screws or
self- tapping screws.
4.Provide embossed tag displaying information in accordance with the contract.
5.Install lighting structure with bracket arms set perpendicular to the edge of the roadway, unless
otherwise noted in the contract.
B.Davit Arm.
1.Drill the light pole with 2 lockbolts to secure the davit arm bracket to the light pole shaft.
2.Slip the davit arm over the top of the light pole shaft.
3.Fit the luminaire end of the davit arm with a 2-inch NPS aluminum pipe tenon.
C.Transformer Base.
1.Splice the lighting cables in the transformer base to #10 AWG wires connected to the luminaire
using submersible breakaway connector kits.
2.Splice the pass-through circuits using H-taps, C-taps, or butt splices.
3.Install the access door opening on the side of the pole facing away from traffic.
4.Install anchor bolts in accordance with Section 834. D.Relocating Lighting Standard and Davit Arm.
1.Remove the luminaire from the lighting standard in accordance with Section 850 and store. 2.Remove the existing lighting standard, transformer base, and davit arm as 1 unit from the
existing pole base. Relocate and re-install to the designated pole base in accordance with this section.
3.Re-install luminaires in accordance with Section 850. 851.4Method of Measurement.
A.The Department will measure the quantity of aluminum lighting standards with davit arms and
transformer bases as the number provided, assembled, installed, and accepted.
B.The Department will measure the quantity of lighting standards with davit arm and transformer
base relocated as the number relocated and accepted.
851.5Basis of Payment
A.The Department will pay for the quantity of lighting standards at the contract unit price per each.
Price and payment will constitute full compensation for providing, assembling, and installing aluminum lighting standards with a single or a double davit arm and transformer base.
B.The Department will pay the quantity of relocated lighting standards at the contract unit price per
each. Price and payment will constitute full compensation for removing and reinstalling existing luminaires and relocating existing lighting standards, davit arms, and transformer bases.
ITEM DESCRIPTION UNIT 851001 ALUMINUM LIGHTING STANDARD WITH SINGLE DAVIT ARM, 30’ POLE EA 851002 ALUMINUM LIGHTING STANDARD WITH SINGLE DAVIT ARM, 35’ POLE EA 851003 ALUMINUM LIGHTING STANDARD WITH SINGLE DAVIT ARM, 40’ POLE EA 851004 ALUMINUM LIGHTING STANDARD WITH DOUBLE DAVIT ARM, 30’ POLE EA 851005 ALUMINUM LIGHTING STANDARD WITH DOUBLE DAVIT ARM, 35’ POLE EA 851006 ALUMINUM LIGHTING STANDARD WITH DOUBLE DAVIT ARM, 40’ POLE EA 851007 RELOCATED EXISTING LIGHT STANDARD EA
Referenced in this section
Delaware revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Delaware Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 550–0 of 786.
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