CONDUIT JUNCTION WELLS SECTION 830
477 SECTION 830 — CONDUIT JUNCTION WELLS
830.1Description.
This work consists of providing, constructing, installing, adjusting, relocating, and removing conduit junction wells and spare frames and lids or precast polymer concrete covers.
830.2Materials.
A.Conduit Junction Well, Types 1, 4, and 5
1.Frames Section 1039.7
2.Lids Section 1039.7
3.Delaware stone No. 57 Section 1004
4.Precast concrete, Class B Section 1022
5.Castings with “DOT -E” logo on cover Section 1039
B.Conduit Junction Well, Type 7
1.Precast polymer concrete stackable box with no base.
2.Delaware stone No. 57 Section 1004
3.Precast polymer concrete.
a.Heavy -weave fiberglass reinforcement.
b.Compressive strength of 9,000 – 15,000 PSI.
c.Impact energy of 30 -72 foot -pounds.
d.Tensile strength of 800 – 1,100 PSI.
e.Tested in accordance with ASTM D543, Section 7, Procedure One for chemical resistance.
4.Precast polymer concrete traffic cover
a.Heavy -duty type with a design load of 15,000 -pounds over a 10 -inch square.
b.Coefficient of friction greater than 0.5.
c.Provide “DelDOT TRAFFIC FIBER OPTICS” logo on cover
C.Borrow , Type C Section 1001
830.3Construction.
A.Conduit Junction Well.
1.Excavate to the required depth in accordance with Section 207.3. Construct a stone base for the
junction well. Compact the foundation to a firm, even surface.
2.Place the conduit junction well.
3.Place the cast iron frame and lid or polymer concrete box cover.
4.Set level with the surrounding surface when placed in asphalt or concrete surfaces.
5.Set above grade when placed in areas not surfaced in asphalt or concrete. Grade to drain away
from the junction well. CONDUIT JUNCTION WELLS SECTION 830
478 6. Backfill the area around the well with Borrow Type C material in accordance with Section 207. Dispose of excess or unsuitable material in accordance with Section 106.8.
7.Ground and bond the junction well in accordance with Section 833.
B.Adjusting or Repairing Existing Conduit Junction Wells.
1.Adjust the frame and lid to match the grade of the surrounding area, if surfaced with asphalt or
concrete.
2.Repair and patch the masonry walls. Replace damaged or missing frames and lids or precast
polymer concrete covers.
C.Relocating Existing Junction Wells.
1.Relocate existing junction wells to clear utilities or other construction work, in accordance with
the contract.
2.Expose the conduit connected to the junction well in order to move the conduit with the well.
Expose enough conduit to allow for movement without placing stress on the conduit or the conduit couplings.
3.Backfill and tamp, in accordance with Section 207.
D.Removing Existing Junction Wells.
1.Remove existing junction well, frame, and lid, or precast polymer concrete cover. Salvage JW
type lids and frames, if possible, for reuse.
2.Abandon and cap or connect the existing conduits in the junction well in accordance with the
contract.
3.Backfill with Type C borrow in accordance with Section 207.
4.Grade area to drain.
5.Place topsoil a minimum of 6 -inches thick.
6.Seed in accordance with Section 908.
E.Junction well frames and lids or precast polymer concrete covers.
1.Provide new, or remove and reuse, cast iron frames, lids, or precast polymer concrete covers for
new and existing junction wells, in accordance with the contract.
830.4Method of Measurement.
A.The Department will measure the quantity of:
1.New junction wells as the number of conduit junction wells provided, placed, and accepted,
including frames and lids or precast polymer concrete covers and stone base.
2.Relocated conduit junction wells as the number of conduit junction wells relocated and accepted.
3.Existing junction well removals as the number of conduit junction wells removed. The
Department will consider excavation, backfill material, and backfilling as included in the bid item.
4.Spare junction well frames and lids or precast polymer concrete covers as the number supplied
and delivered to the Department or project site and accepted.
830.5Basis of Payment.
CONDUIT JUNCTION WELLS SECTION 830
479 A. The Department will pay the quantity of new conduit junction wells placed and accepted at the contract unit price per each. Price and payment constitute full compensation for:
1.Providing wells;
2.excavating;
3.placing;
4.stone base;
5.installing wells;
6.providing and placing frames and lids;
7.backfill and backfilling; and
8.grounding and bonding new junction well in accordance with Section 833.
B.The Department will pay for extending conduit into the junction well in accordance with Section
831.
C.The Department will pay the quantity of adjusted or repaired existing conduit junction wells at the
contract unit price per each. Price and payment constitute full compensation for adjusting or repairing existing junction wells and for new frames and li ds or precast polymer concrete covers.
D.The Department will pay the quantity of relocated or removed conduit junction wells at the
contract unit price per each. Price and payment constitute full compensation for:
1.Excavating and backfilling to relocate existing junction wells;
2.backfill and backfilling;
3.removing existing junction wells; and
4.capping, plugging, or connecting existing conduits.
E.The Department will pay for removing existing conduit and cables and installing new connecting
conduit and cables to the relocated well in accordance with Sections 831 and 832.
F.The Department will pay the quantity of junction well frames and lids or precast polymer concrete
covers provided and installed at the contract unit price per each. Price and payment constitute full compensation for providing frames and lids or precast polymer concrete covers, delivery to the Department or project site, and installation as required by the engineer. ITEM DESCRIPTION UNIT 830001 CONDUIT JUNCTION WELL, TYPE 1, 20” X 20” PRECAST CONCRETE EACH 830002 CONDUIT JUNCTION WELL, TYPE 4, 20” X 42 ½” PRECAST CONCRETE EACH 830003 CONDUIT JUNCTION WELL, TYPE 5, 24” X 16” PRECAST CONCRETE EACH 830004 CONDUIT JUNCTION WELL, TYPE 7, 36” X 60” PRECAST POLYMER CONCRETE EACH 830008 ADJUST OR REPAIR EXISTING CONDUIT JUNCTION WELL EACH 830009 RELOCATION OF EXISTING JUNCTION WELL EACH 830010 REMOVAL OF EXISTING JUNCTION WELL EACH 830011 PROVIDE AND INSTALL FRAME AND LID FOR JUNCTION WELL, TYPE 1 EACH 830012 PROVIDE AND INSTALL FRAME AND LID FOR JUNCTION WELL, TYPE 4 EACH 830013 PROVIDE AND INSTALL FRAME AND LID FOR JUNCTION WELL, TYPE 5 EACH
Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 487–489 of 779.