Forms
Materials
Design
Survey
Inspector
100

This form is a contractor’s certification statement regarding the SWPPP and the VPDES General Permit

 What is a C-45? 

100

What temperature does concrete have to be in between for placement?

50-90

100

What is the least desirable type of curb ramp?

Diagonal

100

What program do the surveyors use to create staking alignments?

AutoCad Civil 3D

100

What program do we use to track quantities?

OneOffice

200

Which permit inspector covers the north side of Rochester?

Rachel

200

What concrete test does not need to be performed on slip form placement?

Slump

200

A flat ramp is between 2% and 5%, what should it be designed at?

4.5%

200

What part of a sanitary/storm structure do the surveyors stake?

Center

200

What is the standard sump at a catch basin?

2 inches

300

What was the most issued permit type in 2023?

Obstruction

300

When should a moisture test on aggregate base be completed?

During placement (Prior to Compaction)

300

If it is a standalone audible push button (APS) what is the minimum distance behind back of curb it can be placed?

4'

300

What does EDM stand for?

Electronic Distance Measurement

300

What is MnDOT Spec 2106?

Excavation and Embankment

400

How many permits were issued as of 11/30/23?

1921

400

Name one method for splitting an aggregate sample?

Quartering Method or Riffle Splitter

400

What percent bidders preference is given to DBEs?

6% (up to $60,000)

400

An acre is equals how many square feet?

43560 SF

400

How many days after the substantial completion date does the project have to reduced down to 0% retainage?

90 days

500

Which contractor does NPL’s concrete restoration?

Clark Concrete

500

At the start of a DCP test, how many hammer blows are required to properly seat a DCP?

Two

500

In 2024, what is the threshold for construction cost that trigger TBG and DBE

$500,000

500

What two pieces of equipment do the surveyors typically use on a project?

Total Station and GPS

500

What percentage does the fuel cost have to increase before a contractor can request fuel escalation?

15% from bid date

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