Dear Ivan,
The basic Policy is presumably to achieve exclusion of "Pests" from the Production facility / adjoining environment by the use of approved, food-safe methodologies. The rest is technically Procedure IMO.
But in practice opinions differ as to how to separate Policy / Procedure, if at all.
Personally, i try and minimize Policies (ISO-style). But If SQF don't care (?) I guess it's up to you.
Whatever, the Policy Scope should presumably, minimally, cover insect pests / rodent pests, eg -
http://www.foodsafet...and-warehouses/
The exact Scope might depend on yr particular situation of course.
Rgds / Charles.C
PS - added later - I omitted to mention birds.