FLOODPLAIN MANAGER TEST PAPER QUESTIONS
AND ANSWERS SET A+
✔✔Instead of using a base flood elevation, some shallow flooding areas are defined
using a base flood ______-. - ✔✔depth
✔✔An approximate study shows the base _________ but does not show the base flood
___________. - ✔✔Floodplain , elevation
✔✔How many digits are there in the NFIP community identification number? - ✔✔They
always have six digits. This is important to avoid confusion with the five-digit countywide
FIRM Number. The community identification number does not include the panel number
and other numbers that appear near it on the FIRM title block.
✔✔What is an AH Zone? - ✔✔Shallow flooding base floodplain with base flood
elevations.
✔✔What was the problem with the way the floodway was shown on the old format
FLOOD Boundary and Floodway Maps? - ✔✔The site area looked like it was a C Zone
outside the floodplain. Also, people who had only a FIRM did not know of the floodway
hazard.
✔✔The new format FIRMs include: - ✔✔· Floodways and floodplain management
information
· Simplified flood insurance zones
✔✔Do Q3 Flood Data show base flood elevations if they are available? - ✔✔No. They
are designed primarily to determine if a property is in or out of the SFHA.
✔✔What is the base flood discharge on the Rocky River just upstream of Wellington
Road? - ✔✔2610 cubic feet per second (cfs). See Table 3 on pg. 9 of the Flood County
,FIS report. This is a tough question if you forgot that the base flood is the same as the
100-year flood.
✔✔What is the 10-year peak discharge for Cobb Brook? - ✔✔560 cfs. See Figure 4-1 or
Table 3 on pg. 9 of the Flood County FIS report.
✔✔How many cross sections were surveyed for Cobb Brook? - ✔✔3; cross-sections A
through C
✔✔What is the width of the floodway for the Rocky River at cross-section G? - ✔✔230
feet
✔✔What is the flood elevation at cross-section G of the Rocky River that you would use
for regulating new construction? - ✔✔11.6 feet. Don't forget to use the "regulatory" base
flood water-surface elevation.
✔✔What is the best source of base flood elevation data for regulatory purposes for a
coastal floodplain? - ✔✔The FIRM
✔✔In which FIRM Zone is Site F? - ✔✔VE
✔✔What is the regulatory base flood elevation at Site F? - ✔✔13.4 feet, NGVD (13 feet
from the FIRM plus 0.4 foot to make sure that the regulatory elevation will be high
enough).
✔✔How many feet does one inch on Flood County FIRM panel 38 represent? - ✔✔500
feet
✔✔How many feet does one inch on Flood County FIRM panel 25 represent? -
✔✔2000 feet
✔✔Using Flood County FIRM panel 40 and the engineer's scale, what is the width of
the floodway at the cross-section F on the Rocky river? - ✔✔Approximately 250 feet
✔✔Using the Floodway Data Table, what is the floodway width at cross-sections F on
the Rocky River? - ✔✔270 feet
✔✔Using FIRM panel 40 and the engineer's scale, what is the distance between cross-
sections F and G on the Rocky river? - ✔✔Approximately 700 feet (0.13 mile) measured
along the stream channel.
✔✔What is the distance between cross-sections F and G on the Rocky River according
to the Floodway Data Table? - ✔✔668 feet (0.13 mile)
,✔✔Site C is within the Town of Floodville. How high is the base flood elevation at Site
C? - ✔✔11 feet
✔✔What is the regulatory base flood elevation at cross-section D on the Rocky River? -
✔✔11.2 feet
✔✔Site E is on panel 25 at the western limit of Cedar Hill Road just north of Dean Lake.
What is the base flood elevation at Site E? - ✔✔We don't know. It's an approximate A
Zone
✔✔RM 40-2 is located on panel 40 near the intersection of South Road and Dairy Road.
How far is RM 40-2 from the closest SFHA? - ✔✔Approximately 500 feet to Zone AE to
the south.
✔✔A 50' x 50' building is located 200 feet south of RM 40-2 on panel 40. Is it in the
floodway? - ✔✔No, it is not because the floodway boundary is approximately 600 feet
south of RM 40-2
✔✔What is the base flood elevation for the Rocky River at cross-section C:
a. Using the flood profiles in the FIS report?
b. Using the Floodway Data Table?
c. If these numbers are different, which BFE should you use? - ✔✔a. 11.0 feet, b. 10.9
feet, c. The BFE provided in the Floodway Data Table is more accurate
✔✔In "I" symbol is plotted 1910 feet upstream of the confluence with the Rocky River on
Flood Profile 01P. What does this symbol represent? - ✔✔A footbridge
✔✔Is the footbridge upstream or downstream from the limit of detailed study? -
✔✔Downstream
✔✔Using Flood Profile 03P, determine the BFE on the Rocky River for a site that is 520
feet downstream of Fox Croft Drive. - ✔✔11.4 feet. On profile 03p, 5, 200 feet is one
inch from the x-axis. The site is approximately one inch to the left of the "I" symbol for
the Fox Croft Drive bridge.
✔✔How far is the Fox Croft Drive bridge from cross-section D on the Rocky River? -
✔✔1980 feet or 0.38 mile
✔✔A developer proposes to place a structure 625 feet (0.12) miles upstream from the
Martling Way Bridge adjacent to the Rocky River (FIRM panel 38). Using the flood
profiles, tell the developer how high the structure would have to be elevated to be above
the base flood elevation as well as the 500-year flood elevation. - ✔✔For the base flood,
, the structure should be elevated above 10.8 feet NGVD. For the 500-year flood, it
should be elevated above 11.8 feet NGVD.
✔✔A particular site is 750 feet upstream of Argyle Way adjacent to the Rocky River
(FIRM panel 38). What is the base flood elevation here? - ✔✔11.2 feet NGVD as seen
on Flood Profile 03P
✔✔What office is the primary repository for your FIS, FIRM, or Floodway Map? -
✔✔Depends on the community, but it is a local community office.
✔✔How do you get more copies of your FIRM? - ✔✔Call or send a mail or fax request
to the Map Service Center in Jessup, Maryland.
✔✔What are the four types of map changes? - ✔✔· A restudy is a new Flood Insurance
Study for some or all of the community
· A limited map maintenance project (LMMP) is a small-scale restudy that is limited in
size and cost.
· An amendment is used to remove an area that was inadvertently included in the
SFHA.
· A map revision is used for all other cases.
✔✔Mrs. Murphy says she has a survey that shows that her house is higher than the
flood level. What type of map change should she request? - ✔✔A Letter of Map
Amendment (LOMA) is the appropriate way to remove a single lot from the SFHA based
on elevation.
✔✔For what locations on her property will Mrs. Murphy need elevation data? - ✔✔The
elevation of the lowest grade adjacent to the building.
✔✔A builder wants to get a bank loan to develop an area. His plans are to fill some low
spots and get all the building sites out of the floodplain. His banker will not grant a loan
for the project unless she is reassured that the FIRM will be changed when the project
is finished. What type of map change should the builder request? - ✔✔A Conditional
Letter of Map Revision based on fill (CLOMR-F)
✔✔Using the Flood Insurance Study for Flood County, USA and Incorporated Areas
answer the below questions:
What is the community number for the unincorporated areas of Flood County? -
✔✔990099
✔✔What is the best map to use to determine is a property is in the SFHA? - ✔✔FIRM
✔✔What is the best map to use to determine if a property is in the floodway? - ✔✔FIRM
AND ANSWERS SET A+
✔✔Instead of using a base flood elevation, some shallow flooding areas are defined
using a base flood ______-. - ✔✔depth
✔✔An approximate study shows the base _________ but does not show the base flood
___________. - ✔✔Floodplain , elevation
✔✔How many digits are there in the NFIP community identification number? - ✔✔They
always have six digits. This is important to avoid confusion with the five-digit countywide
FIRM Number. The community identification number does not include the panel number
and other numbers that appear near it on the FIRM title block.
✔✔What is an AH Zone? - ✔✔Shallow flooding base floodplain with base flood
elevations.
✔✔What was the problem with the way the floodway was shown on the old format
FLOOD Boundary and Floodway Maps? - ✔✔The site area looked like it was a C Zone
outside the floodplain. Also, people who had only a FIRM did not know of the floodway
hazard.
✔✔The new format FIRMs include: - ✔✔· Floodways and floodplain management
information
· Simplified flood insurance zones
✔✔Do Q3 Flood Data show base flood elevations if they are available? - ✔✔No. They
are designed primarily to determine if a property is in or out of the SFHA.
✔✔What is the base flood discharge on the Rocky River just upstream of Wellington
Road? - ✔✔2610 cubic feet per second (cfs). See Table 3 on pg. 9 of the Flood County
,FIS report. This is a tough question if you forgot that the base flood is the same as the
100-year flood.
✔✔What is the 10-year peak discharge for Cobb Brook? - ✔✔560 cfs. See Figure 4-1 or
Table 3 on pg. 9 of the Flood County FIS report.
✔✔How many cross sections were surveyed for Cobb Brook? - ✔✔3; cross-sections A
through C
✔✔What is the width of the floodway for the Rocky River at cross-section G? - ✔✔230
feet
✔✔What is the flood elevation at cross-section G of the Rocky River that you would use
for regulating new construction? - ✔✔11.6 feet. Don't forget to use the "regulatory" base
flood water-surface elevation.
✔✔What is the best source of base flood elevation data for regulatory purposes for a
coastal floodplain? - ✔✔The FIRM
✔✔In which FIRM Zone is Site F? - ✔✔VE
✔✔What is the regulatory base flood elevation at Site F? - ✔✔13.4 feet, NGVD (13 feet
from the FIRM plus 0.4 foot to make sure that the regulatory elevation will be high
enough).
✔✔How many feet does one inch on Flood County FIRM panel 38 represent? - ✔✔500
feet
✔✔How many feet does one inch on Flood County FIRM panel 25 represent? -
✔✔2000 feet
✔✔Using Flood County FIRM panel 40 and the engineer's scale, what is the width of
the floodway at the cross-section F on the Rocky river? - ✔✔Approximately 250 feet
✔✔Using the Floodway Data Table, what is the floodway width at cross-sections F on
the Rocky River? - ✔✔270 feet
✔✔Using FIRM panel 40 and the engineer's scale, what is the distance between cross-
sections F and G on the Rocky river? - ✔✔Approximately 700 feet (0.13 mile) measured
along the stream channel.
✔✔What is the distance between cross-sections F and G on the Rocky River according
to the Floodway Data Table? - ✔✔668 feet (0.13 mile)
,✔✔Site C is within the Town of Floodville. How high is the base flood elevation at Site
C? - ✔✔11 feet
✔✔What is the regulatory base flood elevation at cross-section D on the Rocky River? -
✔✔11.2 feet
✔✔Site E is on panel 25 at the western limit of Cedar Hill Road just north of Dean Lake.
What is the base flood elevation at Site E? - ✔✔We don't know. It's an approximate A
Zone
✔✔RM 40-2 is located on panel 40 near the intersection of South Road and Dairy Road.
How far is RM 40-2 from the closest SFHA? - ✔✔Approximately 500 feet to Zone AE to
the south.
✔✔A 50' x 50' building is located 200 feet south of RM 40-2 on panel 40. Is it in the
floodway? - ✔✔No, it is not because the floodway boundary is approximately 600 feet
south of RM 40-2
✔✔What is the base flood elevation for the Rocky River at cross-section C:
a. Using the flood profiles in the FIS report?
b. Using the Floodway Data Table?
c. If these numbers are different, which BFE should you use? - ✔✔a. 11.0 feet, b. 10.9
feet, c. The BFE provided in the Floodway Data Table is more accurate
✔✔In "I" symbol is plotted 1910 feet upstream of the confluence with the Rocky River on
Flood Profile 01P. What does this symbol represent? - ✔✔A footbridge
✔✔Is the footbridge upstream or downstream from the limit of detailed study? -
✔✔Downstream
✔✔Using Flood Profile 03P, determine the BFE on the Rocky River for a site that is 520
feet downstream of Fox Croft Drive. - ✔✔11.4 feet. On profile 03p, 5, 200 feet is one
inch from the x-axis. The site is approximately one inch to the left of the "I" symbol for
the Fox Croft Drive bridge.
✔✔How far is the Fox Croft Drive bridge from cross-section D on the Rocky River? -
✔✔1980 feet or 0.38 mile
✔✔A developer proposes to place a structure 625 feet (0.12) miles upstream from the
Martling Way Bridge adjacent to the Rocky River (FIRM panel 38). Using the flood
profiles, tell the developer how high the structure would have to be elevated to be above
the base flood elevation as well as the 500-year flood elevation. - ✔✔For the base flood,
, the structure should be elevated above 10.8 feet NGVD. For the 500-year flood, it
should be elevated above 11.8 feet NGVD.
✔✔A particular site is 750 feet upstream of Argyle Way adjacent to the Rocky River
(FIRM panel 38). What is the base flood elevation here? - ✔✔11.2 feet NGVD as seen
on Flood Profile 03P
✔✔What office is the primary repository for your FIS, FIRM, or Floodway Map? -
✔✔Depends on the community, but it is a local community office.
✔✔How do you get more copies of your FIRM? - ✔✔Call or send a mail or fax request
to the Map Service Center in Jessup, Maryland.
✔✔What are the four types of map changes? - ✔✔· A restudy is a new Flood Insurance
Study for some or all of the community
· A limited map maintenance project (LMMP) is a small-scale restudy that is limited in
size and cost.
· An amendment is used to remove an area that was inadvertently included in the
SFHA.
· A map revision is used for all other cases.
✔✔Mrs. Murphy says she has a survey that shows that her house is higher than the
flood level. What type of map change should she request? - ✔✔A Letter of Map
Amendment (LOMA) is the appropriate way to remove a single lot from the SFHA based
on elevation.
✔✔For what locations on her property will Mrs. Murphy need elevation data? - ✔✔The
elevation of the lowest grade adjacent to the building.
✔✔A builder wants to get a bank loan to develop an area. His plans are to fill some low
spots and get all the building sites out of the floodplain. His banker will not grant a loan
for the project unless she is reassured that the FIRM will be changed when the project
is finished. What type of map change should the builder request? - ✔✔A Conditional
Letter of Map Revision based on fill (CLOMR-F)
✔✔Using the Flood Insurance Study for Flood County, USA and Incorporated Areas
answer the below questions:
What is the community number for the unincorporated areas of Flood County? -
✔✔990099
✔✔What is the best map to use to determine is a property is in the SFHA? - ✔✔FIRM
✔✔What is the best map to use to determine if a property is in the floodway? - ✔✔FIRM