The developer shall furnish a performance guarantee in favor
of the Township of Montclair in an amount not to exceed 120% of the
cost of installation of only those improvements required by an approval
or developer's agreement, ordinance, or regulation to be dedicated
to a public entity, and that have not yet been installed, which cost
shall be determined by the Board or Municipal Engineer, as appropriate,
according to the method of calculation set forth in § 15
of P.L. 1991, c. 256 (N.J.S.A. 40:55D-53.4), for the following improvements
as shown on the approved plans or plat; streets, pavement, gutters,
curbs, sidewalks, street lighting, street trees, surveyor's monuments,
as shown on the final map and required by the "Map Filing Law," P.L.
1960, c. 141 (N.J.S.A. 46:23-9.9 et seq.; repealed by § 2
of P.L. 2011, c. 217) or N.J.S.A. 46:26B-1 through 8, water mains,
sanitary sewers, community septic systems, drainage structures, public
improvements of open space, and any grading necessitated by the preceding
improvements. The Board or Municipal Engineer shall prepare an itemized
cost estimate of the improvements covered by the performance guarantee,
which itemized cost estimate shall be appended to each performance
guarantee posted by the obligor.